Home / 173,870.20-260,805.30-144,345.70

Finding the Fourth Proportional to 173,870.20, 260,805.30 and 144,345.70

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Solution

The fourth proportional to 173,870.20, 260,805.30 and 144,345.70 is: 216,518.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,870.20 : 260,805.30 = 144,345.70 : x
  2. Step 2: Convert to fraction form
    173,870.20/260,805.30 = 144,345.70/x
  3. Step 3: Cross multiply
    173,870.20x = 260,805.30 × 144,345.70
  4. Step 4: Simplify right side
    173,870.20x = 37,646,123,592.21
  5. Step 5: Solve for x
    x = 37,646,123,592.21/173,870.20
  6. Step 6: Final answer
    x = 216,518.55

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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.