Home / 131,459.83-181,414.65-71,030.47

Finding the Fourth Proportional to 131,459.83, 181,414.65 and 71,030.47

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Solution

The fourth proportional to 131,459.83, 181,414.65 and 71,030.47 is: 98,022.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,459.83 : 181,414.65 = 71,030.47 : x
  2. Step 2: Convert to fraction form
    131,459.83/181,414.65 = 71,030.47/x
  3. Step 3: Cross multiply
    131,459.83x = 181,414.65 × 71,030.47
  4. Step 4: Simplify right side
    131,459.83x = 12,885,967,351.66
  5. Step 5: Solve for x
    x = 12,885,967,351.66/131,459.83
  6. Step 6: Final answer
    x = 98,022.09

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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.