Home / 147,829.75-221,422.55-97,171.59

Finding the Fourth Proportional to 147,829.75, 221,422.55 and 97,171.59

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Solution

The fourth proportional to 147,829.75, 221,422.55 and 97,171.59 is: 145,545.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,829.75 : 221,422.55 = 97,171.59 : x
  2. Step 2: Convert to fraction form
    147,829.75/221,422.55 = 97,171.59/x
  3. Step 3: Cross multiply
    147,829.75x = 221,422.55 × 97,171.59
  4. Step 4: Simplify right side
    147,829.75x = 21,515,980,890.92
  5. Step 5: Solve for x
    x = 21,515,980,890.92/147,829.75
  6. Step 6: Final answer
    x = 145,545.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.