Home / 124,152.10-186,228.15-74,385.70

Finding the Fourth Proportional to 124,152.10, 186,228.15 and 74,385.70

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Solution

The fourth proportional to 124,152.10, 186,228.15 and 74,385.70 is: 111,578.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,152.10 : 186,228.15 = 74,385.70 : x
  2. Step 2: Convert to fraction form
    124,152.10/186,228.15 = 74,385.70/x
  3. Step 3: Cross multiply
    124,152.10x = 186,228.15 × 74,385.70
  4. Step 4: Simplify right side
    124,152.10x = 13,852,711,297.46
  5. Step 5: Solve for x
    x = 13,852,711,297.46/124,152.10
  6. Step 6: Final answer
    x = 111,578.55

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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.