Home / 91,149.04-125,750.62-57,098.28

Finding the Fourth Proportional to 91,149.04, 125,750.62 and 57,098.28

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Solution

The fourth proportional to 91,149.04, 125,750.62 and 57,098.28 is: 78,773.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,149.04 : 125,750.62 = 57,098.28 : x
  2. Step 2: Convert to fraction form
    91,149.04/125,750.62 = 57,098.28/x
  3. Step 3: Cross multiply
    91,149.04x = 125,750.62 × 57,098.28
  4. Step 4: Simplify right side
    91,149.04x = 7,180,144,110.93
  5. Step 5: Solve for x
    x = 7,180,144,110.93/91,149.04
  6. Step 6: Final answer
    x = 78,773.67

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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.