Home / 148,303.29-204,657.50-80,318.70

Finding the Fourth Proportional to 148,303.29, 204,657.50 and 80,318.70

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Solution

The fourth proportional to 148,303.29, 204,657.50 and 80,318.70 is: 110,839.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,303.29 : 204,657.50 = 80,318.70 : x
  2. Step 2: Convert to fraction form
    148,303.29/204,657.50 = 80,318.70/x
  3. Step 3: Cross multiply
    148,303.29x = 204,657.50 × 80,318.70
  4. Step 4: Simplify right side
    148,303.29x = 16,437,823,943.66
  5. Step 5: Solve for x
    x = 16,437,823,943.66/148,303.29
  6. Step 6: Final answer
    x = 110,839.24

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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.