Home / 128,671.44-193,013.31-62,167.50

Finding the Fourth Proportional to 128,671.44, 193,013.31 and 62,167.50

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Solution

The fourth proportional to 128,671.44, 193,013.31 and 62,167.50 is: 93,254.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,671.44 : 193,013.31 = 62,167.50 : x
  2. Step 2: Convert to fraction form
    128,671.44/193,013.31 = 62,167.50/x
  3. Step 3: Cross multiply
    128,671.44x = 193,013.31 × 62,167.50
  4. Step 4: Simplify right side
    128,671.44x = 11,999,155,182.55
  5. Step 5: Solve for x
    x = 11,999,155,182.55/128,671.44
  6. Step 6: Final answer
    x = 93,254.23

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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.