Home / 147,248.74-220,436.78-90,907.70

Finding the Fourth Proportional to 147,248.74, 220,436.78 and 90,907.70

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Solution

The fourth proportional to 147,248.74, 220,436.78 and 90,907.70 is: 136,092.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,248.74 : 220,436.78 = 90,907.70 : x
  2. Step 2: Convert to fraction form
    147,248.74/220,436.78 = 90,907.70/x
  3. Step 3: Cross multiply
    147,248.74x = 220,436.78 × 90,907.70
  4. Step 4: Simplify right side
    147,248.74x = 20,039,400,665.21
  5. Step 5: Solve for x
    x = 20,039,400,665.21/147,248.74
  6. Step 6: Final answer
    x = 136,092.17

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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.