Home / 102,283.88-141,141.65-56,960.10

Finding the Fourth Proportional to 102,283.88, 141,141.65 and 56,960.10

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Solution

The fourth proportional to 102,283.88, 141,141.65 and 56,960.10 is: 78,599.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,283.88 : 141,141.65 = 56,960.10 : x
  2. Step 2: Convert to fraction form
    102,283.88/141,141.65 = 56,960.10/x
  3. Step 3: Cross multiply
    102,283.88x = 141,141.65 × 56,960.10
  4. Step 4: Simplify right side
    102,283.88x = 8,039,442,213.36
  5. Step 5: Solve for x
    x = 8,039,442,213.36/102,283.88
  6. Step 6: Final answer
    x = 78,599.31

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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.