Home / 181,403.10-272,104.65-134,747.10

Finding the Fourth Proportional to 181,403.10, 272,104.65 and 134,747.10

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Solution

The fourth proportional to 181,403.10, 272,104.65 and 134,747.10 is: 202,120.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,403.10 : 272,104.65 = 134,747.10 : x
  2. Step 2: Convert to fraction form
    181,403.10/272,104.65 = 134,747.10/x
  3. Step 3: Cross multiply
    181,403.10x = 272,104.65 × 134,747.10
  4. Step 4: Simplify right side
    181,403.10x = 36,665,312,484.02
  5. Step 5: Solve for x
    x = 36,665,312,484.02/181,403.10
  6. Step 6: Final answer
    x = 202,120.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.