Home / 147,330.75-221,001.60-47,492.39

Finding the Fourth Proportional to 147,330.75, 221,001.60 and 47,492.39

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Solution

The fourth proportional to 147,330.75, 221,001.60 and 47,492.39 is: 71,240.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,330.75 : 221,001.60 = 47,492.39 : x
  2. Step 2: Convert to fraction form
    147,330.75/221,001.60 = 47,492.39/x
  3. Step 3: Cross multiply
    147,330.75x = 221,001.60 × 47,492.39
  4. Step 4: Simplify right side
    147,330.75x = 10,495,894,177.82
  5. Step 5: Solve for x
    x = 10,495,894,177.82/147,330.75
  6. Step 6: Final answer
    x = 71,240.35

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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.