Home / 102,142.97-153,358.02-52,258.85

Finding the Fourth Proportional to 102,142.97, 153,358.02 and 52,258.85

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Solution

The fourth proportional to 102,142.97, 153,358.02 and 52,258.85 is: 78,461.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,142.97 : 153,358.02 = 52,258.85 : x
  2. Step 2: Convert to fraction form
    102,142.97/153,358.02 = 52,258.85/x
  3. Step 3: Cross multiply
    102,142.97x = 153,358.02 × 52,258.85
  4. Step 4: Simplify right side
    102,142.97x = 8,014,312,996.69
  5. Step 5: Solve for x
    x = 8,014,312,996.69/102,142.97
  6. Step 6: Final answer
    x = 78,461.72

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1.5x scale

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.