Home / 155,142.11-232,726.52-42,822.34

Finding the Fourth Proportional to 155,142.11, 232,726.52 and 42,822.34

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Solution

The fourth proportional to 155,142.11, 232,726.52 and 42,822.34 is: 64,237.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,142.11 : 232,726.52 = 42,822.34 : x
  2. Step 2: Convert to fraction form
    155,142.11/232,726.52 = 42,822.34/x
  3. Step 3: Cross multiply
    155,142.11x = 232,726.52 × 42,822.34
  4. Step 4: Simplify right side
    155,142.11x = 9,965,893,952.35
  5. Step 5: Solve for x
    x = 9,965,893,952.35/155,142.11
  6. Step 6: Final answer
    x = 64,237.20

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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.