Home / 102,810.40-141,863.34-60,382.60

Finding the Fourth Proportional to 102,810.40, 141,863.34 and 60,382.60

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Solution

The fourth proportional to 102,810.40, 141,863.34 and 60,382.60 is: 83,319.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,810.40 : 141,863.34 = 60,382.60 : x
  2. Step 2: Convert to fraction form
    102,810.40/141,863.34 = 60,382.60/x
  3. Step 3: Cross multiply
    102,810.40x = 141,863.34 × 60,382.60
  4. Step 4: Simplify right side
    102,810.40x = 8,566,077,313.88
  5. Step 5: Solve for x
    x = 8,566,077,313.88/102,810.40
  6. Step 6: Final answer
    x = 83,319.17

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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.