Home / 131,513.01-181,484.31-74,151.83

Finding the Fourth Proportional to 131,513.01, 181,484.31 and 74,151.83

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Solution

The fourth proportional to 131,513.01, 181,484.31 and 74,151.83 is: 102,327.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,513.01 : 181,484.31 = 74,151.83 : x
  2. Step 2: Convert to fraction form
    131,513.01/181,484.31 = 74,151.83/x
  3. Step 3: Cross multiply
    131,513.01x = 181,484.31 × 74,151.83
  4. Step 4: Simplify right side
    131,513.01x = 13,457,393,702.79
  5. Step 5: Solve for x
    x = 13,457,393,702.79/131,513.01
  6. Step 6: Final answer
    x = 102,327.47

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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.