Home / 131,888.10-182,005.34-71,460.30

Finding the Fourth Proportional to 131,888.10, 182,005.34 and 71,460.30

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Solution

The fourth proportional to 131,888.10, 182,005.34 and 71,460.30 is: 98,615.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,888.10 : 182,005.34 = 71,460.30 : x
  2. Step 2: Convert to fraction form
    131,888.10/182,005.34 = 71,460.30/x
  3. Step 3: Cross multiply
    131,888.10x = 182,005.34 × 71,460.30
  4. Step 4: Simplify right side
    131,888.10x = 13,006,155,840.70
  5. Step 5: Solve for x
    x = 13,006,155,840.70/131,888.10
  6. Step 6: Final answer
    x = 98,615.08

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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.