Home / 144,084.20-216,109.28-38,911.36

Finding the Fourth Proportional to 144,084.20, 216,109.28 and 38,911.36

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Solution

The fourth proportional to 144,084.20, 216,109.28 and 38,911.36 is: 58,362.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,084.20 : 216,109.28 = 38,911.36 : x
  2. Step 2: Convert to fraction form
    144,084.20/216,109.28 = 38,911.36/x
  3. Step 3: Cross multiply
    144,084.20x = 216,109.28 × 38,911.36
  4. Step 4: Simplify right side
    144,084.20x = 8,409,105,993.42
  5. Step 5: Solve for x
    x = 8,409,105,993.42/144,084.20
  6. Step 6: Final answer
    x = 58,362.44

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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.