Home / 91,714.16-126,588-55,923.92

Finding the Fourth Proportional to 91,714.16, 126,588 and 55,923.92

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Solution

The fourth proportional to 91,714.16, 126,588 and 55,923.92 is: 77,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,714.16 : 126,588 = 55,923.92 : x
  2. Step 2: Convert to fraction form
    91,714.16/126,588 = 55,923.92/x
  3. Step 3: Cross multiply
    91,714.16x = 126,588 × 55,923.92
  4. Step 4: Simplify right side
    91,714.16x = 7,079,297,184.96
  5. Step 5: Solve for x
    x = 7,079,297,184.96/91,714.16
  6. Step 6: Final answer
    x = 77,188.70

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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.