Home / 91,554.40-126,357.24-51,270.40

Finding the Fourth Proportional to 91,554.40, 126,357.24 and 51,270.40

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Solution

The fourth proportional to 91,554.40, 126,357.24 and 51,270.40 is: 70,759.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,554.40 : 126,357.24 = 51,270.40 : x
  2. Step 2: Convert to fraction form
    91,554.40/126,357.24 = 51,270.40/x
  3. Step 3: Cross multiply
    91,554.40x = 126,357.24 × 51,270.40
  4. Step 4: Simplify right side
    91,554.40x = 6,478,386,237.70
  5. Step 5: Solve for x
    x = 6,478,386,237.70/91,554.40
  6. Step 6: Final answer
    x = 70,759.97

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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.