Home / 124,700.20-187,050.30-31,205.80

Finding the Fourth Proportional to 124,700.20, 187,050.30 and 31,205.80

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Solution

The fourth proportional to 124,700.20, 187,050.30 and 31,205.80 is: 46,808.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,700.20 : 187,050.30 = 31,205.80 : x
  2. Step 2: Convert to fraction form
    124,700.20/187,050.30 = 31,205.80/x
  3. Step 3: Cross multiply
    124,700.20x = 187,050.30 × 31,205.80
  4. Step 4: Simplify right side
    124,700.20x = 5,837,054,251.74
  5. Step 5: Solve for x
    x = 5,837,054,251.74/124,700.20
  6. Step 6: Final answer
    x = 46,808.70

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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.