Home / 147,312.26-221,065.23-80,799

Finding the Fourth Proportional to 147,312.26, 221,065.23 and 80,799

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Solution

The fourth proportional to 147,312.26, 221,065.23 and 80,799 is: 121,251.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,312.26 : 221,065.23 = 80,799 : x
  2. Step 2: Convert to fraction form
    147,312.26/221,065.23 = 80,799/x
  3. Step 3: Cross multiply
    147,312.26x = 221,065.23 × 80,799
  4. Step 4: Simplify right side
    147,312.26x = 17,861,849,518.77
  5. Step 5: Solve for x
    x = 17,861,849,518.77/147,312.26
  6. Step 6: Final answer
    x = 121,251.62

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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.