Home / 147,084.29-220,639.57-57,124.86

Finding the Fourth Proportional to 147,084.29, 220,639.57 and 57,124.86

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Solution

The fourth proportional to 147,084.29, 220,639.57 and 57,124.86 is: 85,692.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,084.29 : 220,639.57 = 57,124.86 : x
  2. Step 2: Convert to fraction form
    147,084.29/220,639.57 = 57,124.86/x
  3. Step 3: Cross multiply
    147,084.29x = 220,639.57 × 57,124.86
  4. Step 4: Simplify right side
    147,084.29x = 12,604,004,546.71
  5. Step 5: Solve for x
    x = 12,604,004,546.71/147,084.29
  6. Step 6: Final answer
    x = 85,692.39

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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.