Home / 122,158.10-183,237.15-75,437.30

Finding the Fourth Proportional to 122,158.10, 183,237.15 and 75,437.30

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Solution

The fourth proportional to 122,158.10, 183,237.15 and 75,437.30 is: 113,155.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,158.10 : 183,237.15 = 75,437.30 : x
  2. Step 2: Convert to fraction form
    122,158.10/183,237.15 = 75,437.30/x
  3. Step 3: Cross multiply
    122,158.10x = 183,237.15 × 75,437.30
  4. Step 4: Simplify right side
    122,158.10x = 13,822,915,855.70
  5. Step 5: Solve for x
    x = 13,822,915,855.70/122,158.10
  6. Step 6: Final answer
    x = 113,155.95

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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.