Home / 158,407.20-218,581.20-94,721.76

Finding the Fourth Proportional to 158,407.20, 218,581.20 and 94,721.76

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Solution

The fourth proportional to 158,407.20, 218,581.20 and 94,721.76 is: 130,703.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,407.20 : 218,581.20 = 94,721.76 : x
  2. Step 2: Convert to fraction form
    158,407.20/218,581.20 = 94,721.76/x
  3. Step 3: Cross multiply
    158,407.20x = 218,581.20 × 94,721.76
  4. Step 4: Simplify right side
    158,407.20x = 20,704,395,966.91
  5. Step 5: Solve for x
    x = 20,704,395,966.91/158,407.20
  6. Step 6: Final answer
    x = 130,703.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.