Home / 102,328.85-141,163.02-68,382.87

Finding the Fourth Proportional to 102,328.85, 141,163.02 and 68,382.87

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Solution

The fourth proportional to 102,328.85, 141,163.02 and 68,382.87 is: 94,334.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,328.85 : 141,163.02 = 68,382.87 : x
  2. Step 2: Convert to fraction form
    102,328.85/141,163.02 = 68,382.87/x
  3. Step 3: Cross multiply
    102,328.85x = 141,163.02 × 68,382.87
  4. Step 4: Simplify right side
    102,328.85x = 9,653,132,445.47
  5. Step 5: Solve for x
    x = 9,653,132,445.47/102,328.85
  6. Step 6: Final answer
    x = 94,334.42

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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.