Home / 153,287.28-229,853.16-70,110

Finding the Fourth Proportional to 153,287.28, 229,853.16 and 70,110

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Solution

The fourth proportional to 153,287.28, 229,853.16 and 70,110 is: 105,129.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,287.28 : 229,853.16 = 70,110 : x
  2. Step 2: Convert to fraction form
    153,287.28/229,853.16 = 70,110/x
  3. Step 3: Cross multiply
    153,287.28x = 229,853.16 × 70,110
  4. Step 4: Simplify right side
    153,287.28x = 16,115,005,047.60
  5. Step 5: Solve for x
    x = 16,115,005,047.60/153,287.28
  6. Step 6: Final answer
    x = 105,129.43

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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.