Home / 152,279.46-209,770.02-129,545.60

Finding the Fourth Proportional to 152,279.46, 209,770.02 and 129,545.60

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Solution

The fourth proportional to 152,279.46, 209,770.02 and 129,545.60 is: 178,453.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,279.46 : 209,770.02 = 129,545.60 : x
  2. Step 2: Convert to fraction form
    152,279.46/209,770.02 = 129,545.60/x
  3. Step 3: Cross multiply
    152,279.46x = 209,770.02 × 129,545.60
  4. Step 4: Simplify right side
    152,279.46x = 27,174,782,054.06
  5. Step 5: Solve for x
    x = 27,174,782,054.06/152,279.46
  6. Step 6: Final answer
    x = 178,453.36

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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.