Home / 147,496.60-221,277.30-47,639.80

Finding the Fourth Proportional to 147,496.60, 221,277.30 and 47,639.80

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Solution

The fourth proportional to 147,496.60, 221,277.30 and 47,639.80 is: 71,470.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,496.60 : 221,277.30 = 47,639.80 : x
  2. Step 2: Convert to fraction form
    147,496.60/221,277.30 = 47,639.80/x
  3. Step 3: Cross multiply
    147,496.60x = 221,277.30 × 47,639.80
  4. Step 4: Simplify right side
    147,496.60x = 10,541,606,316.54
  5. Step 5: Solve for x
    x = 10,541,606,316.54/147,496.60
  6. Step 6: Final answer
    x = 71,470.16

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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.