Home / 148,355.53-204,730.85-87,955.75

Finding the Fourth Proportional to 148,355.53, 204,730.85 and 87,955.75

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Solution

The fourth proportional to 148,355.53, 204,730.85 and 87,955.75 is: 121,379.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,355.53 : 204,730.85 = 87,955.75 : x
  2. Step 2: Convert to fraction form
    148,355.53/204,730.85 = 87,955.75/x
  3. Step 3: Cross multiply
    148,355.53x = 204,730.85 × 87,955.75
  4. Step 4: Simplify right side
    148,355.53x = 18,007,255,459.89
  5. Step 5: Solve for x
    x = 18,007,255,459.89/148,355.53
  6. Step 6: Final answer
    x = 121,379.06

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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.