Home / 91,442.64-126,190.26-51,156.22

Finding the Fourth Proportional to 91,442.64, 126,190.26 and 51,156.22

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Solution

The fourth proportional to 91,442.64, 126,190.26 and 51,156.22 is: 70,595.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,442.64 : 126,190.26 = 51,156.22 : x
  2. Step 2: Convert to fraction form
    91,442.64/126,190.26 = 51,156.22/x
  3. Step 3: Cross multiply
    91,442.64x = 126,190.26 × 51,156.22
  4. Step 4: Simplify right side
    91,442.64x = 6,455,416,702.42
  5. Step 5: Solve for x
    x = 6,455,416,702.42/91,442.64
  6. Step 6: Final answer
    x = 70,595.26

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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.