Home / 102,679.24-141,618.90-70,901.32

Finding the Fourth Proportional to 102,679.24, 141,618.90 and 70,901.32

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Solution

The fourth proportional to 102,679.24, 141,618.90 and 70,901.32 is: 97,789.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,679.24 : 141,618.90 = 70,901.32 : x
  2. Step 2: Convert to fraction form
    102,679.24/141,618.90 = 70,901.32/x
  3. Step 3: Cross multiply
    102,679.24x = 141,618.90 × 70,901.32
  4. Step 4: Simplify right side
    102,679.24x = 10,040,966,946.95
  5. Step 5: Solve for x
    x = 10,040,966,946.95/102,679.24
  6. Step 6: Final answer
    x = 97,789.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.