Home / 113,373.95-156,671.84-85,030.43

Finding the Fourth Proportional to 113,373.95, 156,671.84 and 85,030.43

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Solution

The fourth proportional to 113,373.95, 156,671.84 and 85,030.43 is: 117,503.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,373.95 : 156,671.84 = 85,030.43 : x
  2. Step 2: Convert to fraction form
    113,373.95/156,671.84 = 85,030.43/x
  3. Step 3: Cross multiply
    113,373.95x = 156,671.84 × 85,030.43
  4. Step 4: Simplify right side
    113,373.95x = 13,321,873,498.94
  5. Step 5: Solve for x
    x = 13,321,873,498.94/113,373.95
  6. Step 6: Final answer
    x = 117,503.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.