Home / 153,976.30-212,493.35-88,565.00

Finding the Fourth Proportional to 153,976.30, 212,493.35 and 88,565.00

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Solution

The fourth proportional to 153,976.30, 212,493.35 and 88,565.00 is: 122,223.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,976.30 : 212,493.35 = 88,565.00 : x
  2. Step 2: Convert to fraction form
    153,976.30/212,493.35 = 88,565.00/x
  3. Step 3: Cross multiply
    153,976.30x = 212,493.35 × 88,565.00
  4. Step 4: Simplify right side
    153,976.30x = 18,819,473,631.16
  5. Step 5: Solve for x
    x = 18,819,473,631.16/153,976.30
  6. Step 6: Final answer
    x = 122,223.19

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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.