Home / 125,037.04-187,152.84-82,377.69

Finding the Fourth Proportional to 125,037.04, 187,152.84 and 82,377.69

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Solution

The fourth proportional to 125,037.04, 187,152.84 and 82,377.69 is: 123,301.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,037.04 : 187,152.84 = 82,377.69 : x
  2. Step 2: Convert to fraction form
    125,037.04/187,152.84 = 82,377.69/x
  3. Step 3: Cross multiply
    125,037.04x = 187,152.84 × 82,377.69
  4. Step 4: Simplify right side
    125,037.04x = 15,417,219,125.23
  5. Step 5: Solve for x
    x = 15,417,219,125.23/125,037.04
  6. Step 6: Final answer
    x = 123,301.21

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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.