Home / 91,432.69-126,187.56-51,156.65

Finding the Fourth Proportional to 91,432.69, 126,187.56 and 51,156.65

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Solution

The fourth proportional to 91,432.69, 126,187.56 and 51,156.65 is: 70,602.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,432.69 : 126,187.56 = 51,156.65 : x
  2. Step 2: Convert to fraction form
    91,432.69/126,187.56 = 51,156.65/x
  3. Step 3: Cross multiply
    91,432.69x = 126,187.56 × 51,156.65
  4. Step 4: Simplify right side
    91,432.69x = 6,455,332,841.27
  5. Step 5: Solve for x
    x = 6,455,332,841.27/91,432.69
  6. Step 6: Final answer
    x = 70,602.03

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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.