Home / 144,396.40-216,562.20-69,478.29

Finding the Fourth Proportional to 144,396.40, 216,562.20 and 69,478.29

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Solution

The fourth proportional to 144,396.40, 216,562.20 and 69,478.29 is: 104,201.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,396.40 : 216,562.20 = 69,478.29 : x
  2. Step 2: Convert to fraction form
    144,396.40/216,562.20 = 69,478.29/x
  3. Step 3: Cross multiply
    144,396.40x = 216,562.20 × 69,478.29
  4. Step 4: Simplify right side
    144,396.40x = 15,046,370,251.83
  5. Step 5: Solve for x
    x = 15,046,370,251.83/144,396.40
  6. Step 6: Final answer
    x = 104,201.84

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1.5x scale

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.