Home / 91,427.04-126,170.28-53,701.92

Finding the Fourth Proportional to 91,427.04, 126,170.28 and 53,701.92

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Solution

The fourth proportional to 91,427.04, 126,170.28 and 53,701.92 is: 74,109.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,427.04 : 126,170.28 = 53,701.92 : x
  2. Step 2: Convert to fraction form
    91,427.04/126,170.28 = 53,701.92/x
  3. Step 3: Cross multiply
    91,427.04x = 126,170.28 × 53,701.92
  4. Step 4: Simplify right side
    91,427.04x = 6,775,586,282.94
  5. Step 5: Solve for x
    x = 6,775,586,282.94/91,427.04
  6. Step 6: Final answer
    x = 74,109.22

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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.