Home / 113,295.84-156,347.04-62,307.72

Finding the Fourth Proportional to 113,295.84, 156,347.04 and 62,307.72

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Solution

The fourth proportional to 113,295.84, 156,347.04 and 62,307.72 is: 85,983.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,295.84 : 156,347.04 = 62,307.72 : x
  2. Step 2: Convert to fraction form
    113,295.84/156,347.04 = 62,307.72/x
  3. Step 3: Cross multiply
    113,295.84x = 156,347.04 × 62,307.72
  4. Step 4: Simplify right side
    113,295.84x = 9,741,627,591.15
  5. Step 5: Solve for x
    x = 9,741,627,591.15/113,295.84
  6. Step 6: Final answer
    x = 85,983.98

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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.