Home / 191,968.79-264,898.55-107,091.32

Finding the Fourth Proportional to 191,968.79, 264,898.55 and 107,091.32

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Solution

The fourth proportional to 191,968.79, 264,898.55 and 107,091.32 is: 147,775.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,968.79 : 264,898.55 = 107,091.32 : x
  2. Step 2: Convert to fraction form
    191,968.79/264,898.55 = 107,091.32/x
  3. Step 3: Cross multiply
    191,968.79x = 264,898.55 × 107,091.32
  4. Step 4: Simplify right side
    191,968.79x = 28,368,334,328.82
  5. Step 5: Solve for x
    x = 28,368,334,328.82/191,968.79
  6. Step 6: Final answer
    x = 147,775.77

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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.