Home / 147,640.34-221,495.57-47,800.49

Finding the Fourth Proportional to 147,640.34, 221,495.57 and 47,800.49

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Solution

The fourth proportional to 147,640.34, 221,495.57 and 47,800.49 is: 71,712.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,640.34 : 221,495.57 = 47,800.49 : x
  2. Step 2: Convert to fraction form
    147,640.34/221,495.57 = 47,800.49/x
  3. Step 3: Cross multiply
    147,640.34x = 221,495.57 × 47,800.49
  4. Step 4: Simplify right side
    147,640.34x = 10,587,595,432.35
  5. Step 5: Solve for x
    x = 10,587,595,432.35/147,640.34
  6. Step 6: Final answer
    x = 71,712.08

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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.