Home / 113,402.84-156,493.02-61,717.75

Finding the Fourth Proportional to 113,402.84, 156,493.02 and 61,717.75

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Solution

The fourth proportional to 113,402.84, 156,493.02 and 61,717.75 is: 85,168.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,402.84 : 156,493.02 = 61,717.75 : x
  2. Step 2: Convert to fraction form
    113,402.84/156,493.02 = 61,717.75/x
  3. Step 3: Cross multiply
    113,402.84x = 156,493.02 × 61,717.75
  4. Step 4: Simplify right side
    113,402.84x = 9,658,396,925.31
  5. Step 5: Solve for x
    x = 9,658,396,925.31/113,402.84
  6. Step 6: Final answer
    x = 85,168.92

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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.