Home / 239,373.05-359,141.59-81,712.22

Finding the Fourth Proportional to 239,373.05, 359,141.59 and 81,712.22

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Solution

The fourth proportional to 239,373.05, 359,141.59 and 81,712.22 is: 122,596.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,373.05 : 359,141.59 = 81,712.22 : x
  2. Step 2: Convert to fraction form
    239,373.05/359,141.59 = 81,712.22/x
  3. Step 3: Cross multiply
    239,373.05x = 359,141.59 × 81,712.22
  4. Step 4: Simplify right side
    239,373.05x = 29,346,256,613.23
  5. Step 5: Solve for x
    x = 29,346,256,613.23/239,373.05
  6. Step 6: Final answer
    x = 122,596.33

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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.