Home / 122,655.17-169,248.97-70,981.13

Finding the Fourth Proportional to 122,655.17, 169,248.97 and 70,981.13

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Solution

The fourth proportional to 122,655.17, 169,248.97 and 70,981.13 is: 97,945.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,655.17 : 169,248.97 = 70,981.13 : x
  2. Step 2: Convert to fraction form
    122,655.17/169,248.97 = 70,981.13/x
  3. Step 3: Cross multiply
    122,655.17x = 169,248.97 × 70,981.13
  4. Step 4: Simplify right side
    122,655.17x = 12,013,483,141.94
  5. Step 5: Solve for x
    x = 12,013,483,141.94/122,655.17
  6. Step 6: Final answer
    x = 97,945.18

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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.