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Finding the Fourth Proportional to 191,878.24, 264,788.40 and 107,010.40

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Solution

The fourth proportional to 191,878.24, 264,788.40 and 107,010.40 is: 147,672.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,878.24 : 264,788.40 = 107,010.40 : x
  2. Step 2: Convert to fraction form
    191,878.24/264,788.40 = 107,010.40/x
  3. Step 3: Cross multiply
    191,878.24x = 264,788.40 × 107,010.40
  4. Step 4: Simplify right side
    191,878.24x = 28,335,112,599.36
  5. Step 5: Solve for x
    x = 28,335,112,599.36/191,878.24
  6. Step 6: Final answer
    x = 147,672.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.