Home / 136,099.04-187,818.85-74,847.65

Finding the Fourth Proportional to 136,099.04, 187,818.85 and 74,847.65

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Solution

The fourth proportional to 136,099.04, 187,818.85 and 74,847.65 is: 103,290.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,099.04 : 187,818.85 = 74,847.65 : x
  2. Step 2: Convert to fraction form
    136,099.04/187,818.85 = 74,847.65/x
  3. Step 3: Cross multiply
    136,099.04x = 187,818.85 × 74,847.65
  4. Step 4: Simplify right side
    136,099.04x = 14,057,798,702.67
  5. Step 5: Solve for x
    x = 14,057,798,702.67/136,099.04
  6. Step 6: Final answer
    x = 103,290.95

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1.5x scale

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.