Home / 125,080.20-187,658.70-98,795.40

Finding the Fourth Proportional to 125,080.20, 187,658.70 and 98,795.40

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Solution

The fourth proportional to 125,080.20, 187,658.70 and 98,795.40 is: 148,223.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,080.20 : 187,658.70 = 98,795.40 : x
  2. Step 2: Convert to fraction form
    125,080.20/187,658.70 = 98,795.40/x
  3. Step 3: Cross multiply
    125,080.20x = 187,658.70 × 98,795.40
  4. Step 4: Simplify right side
    125,080.20x = 18,539,816,329.98
  5. Step 5: Solve for x
    x = 18,539,816,329.98/125,080.20
  6. Step 6: Final answer
    x = 148,223.43

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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.