Home / 91,292.86-126,145.11-70,253.92

Finding the Fourth Proportional to 91,292.86, 126,145.11 and 70,253.92

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Solution

The fourth proportional to 91,292.86, 126,145.11 and 70,253.92 is: 97,074.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,292.86 : 126,145.11 = 70,253.92 : x
  2. Step 2: Convert to fraction form
    91,292.86/126,145.11 = 70,253.92/x
  3. Step 3: Cross multiply
    91,292.86x = 126,145.11 × 70,253.92
  4. Step 4: Simplify right side
    91,292.86x = 8,862,188,466.33
  5. Step 5: Solve for x
    x = 8,862,188,466.33/91,292.86
  6. Step 6: Final answer
    x = 97,074.28

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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.