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Finding the Fourth Proportional to 124,030.20, 186,045.30 and 54,046.20

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Solution

The fourth proportional to 124,030.20, 186,045.30 and 54,046.20 is: 81,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,030.20 : 186,045.30 = 54,046.20 : x
  2. Step 2: Convert to fraction form
    124,030.20/186,045.30 = 54,046.20/x
  3. Step 3: Cross multiply
    124,030.20x = 186,045.30 × 54,046.20
  4. Step 4: Simplify right side
    124,030.20x = 10,055,041,492.86
  5. Step 5: Solve for x
    x = 10,055,041,492.86/124,030.20
  6. Step 6: Final answer
    x = 81,069.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.