Home / 147,374.91-221,089.10-84,266.19

Finding the Fourth Proportional to 147,374.91, 221,089.10 and 84,266.19

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Solution

The fourth proportional to 147,374.91, 221,089.10 and 84,266.19 is: 126,414.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,374.91 : 221,089.10 = 84,266.19 : x
  2. Step 2: Convert to fraction form
    147,374.91/221,089.10 = 84,266.19/x
  3. Step 3: Cross multiply
    147,374.91x = 221,089.10 × 84,266.19
  4. Step 4: Simplify right side
    147,374.91x = 18,630,335,686.20
  5. Step 5: Solve for x
    x = 18,630,335,686.20/147,374.91
  6. Step 6: Final answer
    x = 126,414.57

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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.