Home / 102,049.07-140,824.98-56,725.92

Finding the Fourth Proportional to 102,049.07, 140,824.98 and 56,725.92

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Solution

The fourth proportional to 102,049.07, 140,824.98 and 56,725.92 is: 78,280.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,049.07 : 140,824.98 = 56,725.92 : x
  2. Step 2: Convert to fraction form
    102,049.07/140,824.98 = 56,725.92/x
  3. Step 3: Cross multiply
    102,049.07x = 140,824.98 × 56,725.92
  4. Step 4: Simplify right side
    102,049.07x = 7,988,426,549.48
  5. Step 5: Solve for x
    x = 7,988,426,549.48/102,049.07
  6. Step 6: Final answer
    x = 78,280.25

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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.