Home / 102,246.40-141,155.38-71,713.24

Finding the Fourth Proportional to 102,246.40, 141,155.38 and 71,713.24

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Solution

The fourth proportional to 102,246.40, 141,155.38 and 71,713.24 is: 99,003.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,246.40 : 141,155.38 = 71,713.24 : x
  2. Step 2: Convert to fraction form
    102,246.40/141,155.38 = 71,713.24/x
  3. Step 3: Cross multiply
    102,246.40x = 141,155.38 × 71,713.24
  4. Step 4: Simplify right side
    102,246.40x = 10,122,709,643.23
  5. Step 5: Solve for x
    x = 10,122,709,643.23/102,246.40
  6. Step 6: Final answer
    x = 99,003.09

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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.