Home / 91,967.20-126,927.20-56,166

Finding the Fourth Proportional to 91,967.20, 126,927.20 and 56,166

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Solution

The fourth proportional to 91,967.20, 126,927.20 and 56,166 is: 77,516.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,967.20 : 126,927.20 = 56,166 : x
  2. Step 2: Convert to fraction form
    91,967.20/126,927.20 = 56,166/x
  3. Step 3: Cross multiply
    91,967.20x = 126,927.20 × 56,166
  4. Step 4: Simplify right side
    91,967.20x = 7,128,993,115.20
  5. Step 5: Solve for x
    x = 7,128,993,115.20/91,967.20
  6. Step 6: Final answer
    x = 77,516.69

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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.