Home / 102,318.25-141,180.44-56,995.10

Finding the Fourth Proportional to 102,318.25, 141,180.44 and 56,995.10

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Solution

The fourth proportional to 102,318.25, 141,180.44 and 56,995.10 is: 78,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,318.25 : 141,180.44 = 56,995.10 : x
  2. Step 2: Convert to fraction form
    102,318.25/141,180.44 = 56,995.10/x
  3. Step 3: Cross multiply
    102,318.25x = 141,180.44 × 56,995.10
  4. Step 4: Simplify right side
    102,318.25x = 8,046,593,712.36
  5. Step 5: Solve for x
    x = 8,046,593,712.36/102,318.25
  6. Step 6: Final answer
    x = 78,642.80

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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.