Home / 147,330.25-221,000.85-47,491.89

Finding the Fourth Proportional to 147,330.25, 221,000.85 and 47,491.89

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Solution

The fourth proportional to 147,330.25, 221,000.85 and 47,491.89 is: 71,239.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,330.25 : 221,000.85 = 47,491.89 : x
  2. Step 2: Convert to fraction form
    147,330.25/221,000.85 = 47,491.89/x
  3. Step 3: Cross multiply
    147,330.25x = 221,000.85 × 47,491.89
  4. Step 4: Simplify right side
    147,330.25x = 10,495,748,058.11
  5. Step 5: Solve for x
    x = 10,495,748,058.11/147,330.25
  6. Step 6: Final answer
    x = 71,239.60

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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.