Home / 84,172.02-126,272.62-37,428.54

Finding the Fourth Proportional to 84,172.02, 126,272.62 and 37,428.54

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Solution

The fourth proportional to 84,172.02, 126,272.62 and 37,428.54 is: 56,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,172.02 : 126,272.62 = 37,428.54 : x
  2. Step 2: Convert to fraction form
    84,172.02/126,272.62 = 37,428.54/x
  3. Step 3: Cross multiply
    84,172.02x = 126,272.62 × 37,428.54
  4. Step 4: Simplify right side
    84,172.02x = 4,726,199,808.57
  5. Step 5: Solve for x
    x = 4,726,199,808.57/84,172.02
  6. Step 6: Final answer
    x = 56,149.30

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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.