Home / 143,981.07-216,037.25-73,909.63

Finding the Fourth Proportional to 143,981.07, 216,037.25 and 73,909.63

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Solution

The fourth proportional to 143,981.07, 216,037.25 and 73,909.63 is: 110,898.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,981.07 : 216,037.25 = 73,909.63 : x
  2. Step 2: Convert to fraction form
    143,981.07/216,037.25 = 73,909.63/x
  3. Step 3: Cross multiply
    143,981.07x = 216,037.25 × 73,909.63
  4. Step 4: Simplify right side
    143,981.07x = 15,967,233,213.72
  5. Step 5: Solve for x
    x = 15,967,233,213.72/143,981.07
  6. Step 6: Final answer
    x = 110,898.14

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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.