Home / 153,565.20-211,927.20-89,923.50

Finding the Fourth Proportional to 153,565.20, 211,927.20 and 89,923.50

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Solution

The fourth proportional to 153,565.20, 211,927.20 and 89,923.50 is: 124,098.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,565.20 : 211,927.20 = 89,923.50 : x
  2. Step 2: Convert to fraction form
    153,565.20/211,927.20 = 89,923.50/x
  3. Step 3: Cross multiply
    153,565.20x = 211,927.20 × 89,923.50
  4. Step 4: Simplify right side
    153,565.20x = 19,057,235,569.20
  5. Step 5: Solve for x
    x = 19,057,235,569.20/153,565.20
  6. Step 6: Final answer
    x = 124,098.66

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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.