Home / 239,557.40-359,397.64-89,799.72

Finding the Fourth Proportional to 239,557.40, 359,397.64 and 89,799.72

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Solution

The fourth proportional to 239,557.40, 359,397.64 and 89,799.72 is: 134,722.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,557.40 : 359,397.64 = 89,799.72 : x
  2. Step 2: Convert to fraction form
    239,557.40/359,397.64 = 89,799.72/x
  3. Step 3: Cross multiply
    239,557.40x = 359,397.64 × 89,799.72
  4. Step 4: Simplify right side
    239,557.40x = 32,273,807,440.66
  5. Step 5: Solve for x
    x = 32,273,807,440.66/239,557.40
  6. Step 6: Final answer
    x = 134,722.65

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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.