Home / 148,655.25-205,154.36-84,124.53

Finding the Fourth Proportional to 148,655.25, 205,154.36 and 84,124.53

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Solution

The fourth proportional to 148,655.25, 205,154.36 and 84,124.53 is: 116,097.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,655.25 : 205,154.36 = 84,124.53 : x
  2. Step 2: Convert to fraction form
    148,655.25/205,154.36 = 84,124.53/x
  3. Step 3: Cross multiply
    148,655.25x = 205,154.36 × 84,124.53
  4. Step 4: Simplify right side
    148,655.25x = 17,258,513,691.83
  5. Step 5: Solve for x
    x = 17,258,513,691.83/148,655.25
  6. Step 6: Final answer
    x = 116,097.57

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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.