Home / 138,467.40-207,552.78-98,904.52

Finding the Fourth Proportional to 138,467.40, 207,552.78 and 98,904.52

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Solution

The fourth proportional to 138,467.40, 207,552.78 and 98,904.52 is: 148,250.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,467.40 : 207,552.78 = 98,904.52 : x
  2. Step 2: Convert to fraction form
    138,467.40/207,552.78 = 98,904.52/x
  3. Step 3: Cross multiply
    138,467.40x = 207,552.78 × 98,904.52
  4. Step 4: Simplify right side
    138,467.40x = 20,527,908,080.57
  5. Step 5: Solve for x
    x = 20,527,908,080.57/138,467.40
  6. Step 6: Final answer
    x = 148,250.84

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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.