Home / 131,497.89-181,422.77-74,869.17

Finding the Fourth Proportional to 131,497.89, 181,422.77 and 74,869.17

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Solution

The fourth proportional to 131,497.89, 181,422.77 and 74,869.17 is: 103,294.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,497.89 : 181,422.77 = 74,869.17 : x
  2. Step 2: Convert to fraction form
    131,497.89/181,422.77 = 74,869.17/x
  3. Step 3: Cross multiply
    131,497.89x = 181,422.77 × 74,869.17
  4. Step 4: Simplify right side
    131,497.89x = 13,582,971,834.66
  5. Step 5: Solve for x
    x = 13,582,971,834.66/131,497.89
  6. Step 6: Final answer
    x = 103,294.22

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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.