Home / 188,225.64-282,089.24-138,070.92

Finding the Fourth Proportional to 188,225.64, 282,089.24 and 138,070.92

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Solution

The fourth proportional to 188,225.64, 282,089.24 and 138,070.92 is: 206,923.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,225.64 : 282,089.24 = 138,070.92 : x
  2. Step 2: Convert to fraction form
    188,225.64/282,089.24 = 138,070.92/x
  3. Step 3: Cross multiply
    188,225.64x = 282,089.24 × 138,070.92
  4. Step 4: Simplify right side
    188,225.64x = 38,948,320,888.90
  5. Step 5: Solve for x
    x = 38,948,320,888.90/188,225.64
  6. Step 6: Final answer
    x = 206,923.57

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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.