Home / 157,069.20-216,726.12-93,422.64

Finding the Fourth Proportional to 157,069.20, 216,726.12 and 93,422.64

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Solution

The fourth proportional to 157,069.20, 216,726.12 and 93,422.64 is: 128,905.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,069.20 : 216,726.12 = 93,422.64 : x
  2. Step 2: Convert to fraction form
    157,069.20/216,726.12 = 93,422.64/x
  3. Step 3: Cross multiply
    157,069.20x = 216,726.12 × 93,422.64
  4. Step 4: Simplify right side
    157,069.20x = 20,247,126,287.36
  5. Step 5: Solve for x
    x = 20,247,126,287.36/157,069.20
  6. Step 6: Final answer
    x = 128,905.77

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1.5x scale

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.