Home / 102,049.28-140,823.63-56,727.17

Finding the Fourth Proportional to 102,049.28, 140,823.63 and 56,727.17

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Solution

The fourth proportional to 102,049.28, 140,823.63 and 56,727.17 is: 78,281.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,049.28 : 140,823.63 = 56,727.17 : x
  2. Step 2: Convert to fraction form
    102,049.28/140,823.63 = 56,727.17/x
  3. Step 3: Cross multiply
    102,049.28x = 140,823.63 × 56,727.17
  4. Step 4: Simplify right side
    102,049.28x = 7,988,525,999.03
  5. Step 5: Solve for x
    x = 7,988,525,999.03/102,049.28
  6. Step 6: Final answer
    x = 78,281.06

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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.