Home / 152,947.60-211,030.76-89,249.04

Finding the Fourth Proportional to 152,947.60, 211,030.76 and 89,249.04

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Solution

The fourth proportional to 152,947.60, 211,030.76 and 89,249.04 is: 123,142.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,947.60 : 211,030.76 = 89,249.04 : x
  2. Step 2: Convert to fraction form
    152,947.60/211,030.76 = 89,249.04/x
  3. Step 3: Cross multiply
    152,947.60x = 211,030.76 × 89,249.04
  4. Step 4: Simplify right side
    152,947.60x = 18,834,292,740.47
  5. Step 5: Solve for x
    x = 18,834,292,740.47/152,947.60
  6. Step 6: Final answer
    x = 123,142.13

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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.