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Finding the Fourth Proportional to 169,476.71, 233,748.18 and 124,138.17

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Solution

The fourth proportional to 169,476.71, 233,748.18 and 124,138.17 is: 171,215.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,476.71 : 233,748.18 = 124,138.17 : x
  2. Step 2: Convert to fraction form
    169,476.71/233,748.18 = 124,138.17/x
  3. Step 3: Cross multiply
    169,476.71x = 233,748.18 × 124,138.17
  4. Step 4: Simplify right side
    169,476.71x = 29,017,071,306.03
  5. Step 5: Solve for x
    x = 29,017,071,306.03/169,476.71
  6. Step 6: Final answer
    x = 171,215.69

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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.