Home / 84,184.02-126,281.52-31,594.86

Finding the Fourth Proportional to 84,184.02, 126,281.52 and 31,594.86

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Solution

The fourth proportional to 84,184.02, 126,281.52 and 31,594.86 is: 47,394.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,184.02 : 126,281.52 = 31,594.86 : x
  2. Step 2: Convert to fraction form
    84,184.02/126,281.52 = 31,594.86/x
  3. Step 3: Cross multiply
    84,184.02x = 126,281.52 × 31,594.86
  4. Step 4: Simplify right side
    84,184.02x = 3,989,846,944.99
  5. Step 5: Solve for x
    x = 3,989,846,944.99/84,184.02
  6. Step 6: Final answer
    x = 47,394.35

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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.