Home / 91,923.18-126,851.13-51,641.34

Finding the Fourth Proportional to 91,923.18, 126,851.13 and 51,641.34

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Solution

The fourth proportional to 91,923.18, 126,851.13 and 51,641.34 is: 71,263.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,923.18 : 126,851.13 = 51,641.34 : x
  2. Step 2: Convert to fraction form
    91,923.18/126,851.13 = 51,641.34/x
  3. Step 3: Cross multiply
    91,923.18x = 126,851.13 × 51,641.34
  4. Step 4: Simplify right side
    91,923.18x = 6,550,762,333.71
  5. Step 5: Solve for x
    x = 6,550,762,333.71/91,923.18
  6. Step 6: Final answer
    x = 71,263.44

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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.