Home / 147,028.94-220,248.10-124,442.76

Finding the Fourth Proportional to 147,028.94, 220,248.10 and 124,442.76

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Solution

The fourth proportional to 147,028.94, 220,248.10 and 124,442.76 is: 186,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,028.94 : 220,248.10 = 124,442.76 : x
  2. Step 2: Convert to fraction form
    147,028.94/220,248.10 = 124,442.76/x
  3. Step 3: Cross multiply
    147,028.94x = 220,248.10 × 124,442.76
  4. Step 4: Simplify right side
    147,028.94x = 27,408,281,730.25
  5. Step 5: Solve for x
    x = 27,408,281,730.25/147,028.94
  6. Step 6: Final answer
    x = 186,414.20

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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.