Home / 84,280.24-126,420.32-25,114.40

Finding the Fourth Proportional to 84,280.24, 126,420.32 and 25,114.40

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Solution

The fourth proportional to 84,280.24, 126,420.32 and 25,114.40 is: 37,671.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,280.24 : 126,420.32 = 25,114.40 : x
  2. Step 2: Convert to fraction form
    84,280.24/126,420.32 = 25,114.40/x
  3. Step 3: Cross multiply
    84,280.24x = 126,420.32 × 25,114.40
  4. Step 4: Simplify right side
    84,280.24x = 3,174,970,484.61
  5. Step 5: Solve for x
    x = 3,174,970,484.61/84,280.24
  6. Step 6: Final answer
    x = 37,671.59

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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.