Home / 113,373.45-156,671.15-85,029.93

Finding the Fourth Proportional to 113,373.45, 156,671.15 and 85,029.93

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Solution

The fourth proportional to 113,373.45, 156,671.15 and 85,029.93 is: 117,503.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,373.45 : 156,671.15 = 85,029.93 : x
  2. Step 2: Convert to fraction form
    113,373.45/156,671.15 = 85,029.93/x
  3. Step 3: Cross multiply
    113,373.45x = 156,671.15 × 85,029.93
  4. Step 4: Simplify right side
    113,373.45x = 13,321,736,492.37
  5. Step 5: Solve for x
    x = 13,321,736,492.37/113,373.45
  6. Step 6: Final answer
    x = 117,503.14

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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.