Home / 152,945.20-229,417.80-64,371.70

Finding the Fourth Proportional to 152,945.20, 229,417.80 and 64,371.70

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Solution

The fourth proportional to 152,945.20, 229,417.80 and 64,371.70 is: 96,557.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,945.20 : 229,417.80 = 64,371.70 : x
  2. Step 2: Convert to fraction form
    152,945.20/229,417.80 = 64,371.70/x
  3. Step 3: Cross multiply
    152,945.20x = 229,417.80 × 64,371.70
  4. Step 4: Simplify right side
    152,945.20x = 14,768,013,796.26
  5. Step 5: Solve for x
    x = 14,768,013,796.26/152,945.20
  6. Step 6: Final answer
    x = 96,557.55

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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.