Home / 84,173.04-126,269.28-39,171.06

Finding the Fourth Proportional to 84,173.04, 126,269.28 and 39,171.06

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Solution

The fourth proportional to 84,173.04, 126,269.28 and 39,171.06 is: 58,761.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,173.04 : 126,269.28 = 39,171.06 : x
  2. Step 2: Convert to fraction form
    84,173.04/126,269.28 = 39,171.06/x
  3. Step 3: Cross multiply
    84,173.04x = 126,269.28 × 39,171.06
  4. Step 4: Simplify right side
    84,173.04x = 4,946,101,543.04
  5. Step 5: Solve for x
    x = 4,946,101,543.04/84,173.04
  6. Step 6: Final answer
    x = 58,761.11

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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.