Home / 91,425.24-126,178.51-51,141.24

Finding the Fourth Proportional to 91,425.24, 126,178.51 and 51,141.24

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Solution

The fourth proportional to 91,425.24, 126,178.51 and 51,141.24 is: 70,581.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,425.24 : 126,178.51 = 51,141.24 : x
  2. Step 2: Convert to fraction form
    91,425.24/126,178.51 = 51,141.24/x
  3. Step 3: Cross multiply
    91,425.24x = 126,178.51 × 51,141.24
  4. Step 4: Simplify right side
    91,425.24x = 6,452,925,462.75
  5. Step 5: Solve for x
    x = 6,452,925,462.75/91,425.24
  6. Step 6: Final answer
    x = 70,581.44

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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.