Home / 91,434.76-126,191.64-51,150.76

Finding the Fourth Proportional to 91,434.76, 126,191.64 and 51,150.76

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Solution

The fourth proportional to 91,434.76, 126,191.64 and 51,150.76 is: 70,594.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,434.76 : 126,191.64 = 51,150.76 : x
  2. Step 2: Convert to fraction form
    91,434.76/126,191.64 = 51,150.76/x
  3. Step 3: Cross multiply
    91,434.76x = 126,191.64 × 51,150.76
  4. Step 4: Simplify right side
    91,434.76x = 6,454,798,291.65
  5. Step 5: Solve for x
    x = 6,454,798,291.65/91,434.76
  6. Step 6: Final answer
    x = 70,594.58

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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.