Home / 122,279.40-183,419.10-88,818.30

Finding the Fourth Proportional to 122,279.40, 183,419.10 and 88,818.30

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Solution

The fourth proportional to 122,279.40, 183,419.10 and 88,818.30 is: 133,227.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,279.40 : 183,419.10 = 88,818.30 : x
  2. Step 2: Convert to fraction form
    122,279.40/183,419.10 = 88,818.30/x
  3. Step 3: Cross multiply
    122,279.40x = 183,419.10 × 88,818.30
  4. Step 4: Simplify right side
    122,279.40x = 16,290,972,649.53
  5. Step 5: Solve for x
    x = 16,290,972,649.53/122,279.40
  6. Step 6: Final answer
    x = 133,227.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.