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Finding the Fourth Proportional to 145,750.47, 218,550.98 and 66,796.13

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Solution

The fourth proportional to 145,750.47, 218,550.98 and 66,796.13 is: 100,159.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,750.47 : 218,550.98 = 66,796.13 : x
  2. Step 2: Convert to fraction form
    145,750.47/218,550.98 = 66,796.13/x
  3. Step 3: Cross multiply
    145,750.47x = 218,550.98 × 66,796.13
  4. Step 4: Simplify right side
    145,750.47x = 14,598,358,244.97
  5. Step 5: Solve for x
    x = 14,598,358,244.97/145,750.47
  6. Step 6: Final answer
    x = 100,159.94

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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.