Home / 239,936.04-359,981.79-71,457.76

Finding the Fourth Proportional to 239,936.04, 359,981.79 and 71,457.76

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Solution

The fourth proportional to 239,936.04, 359,981.79 and 71,457.76 is: 107,209.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,936.04 : 359,981.79 = 71,457.76 : x
  2. Step 2: Convert to fraction form
    239,936.04/359,981.79 = 71,457.76/x
  3. Step 3: Cross multiply
    239,936.04x = 359,981.79 × 71,457.76
  4. Step 4: Simplify right side
    239,936.04x = 25,723,492,354.19
  5. Step 5: Solve for x
    x = 25,723,492,354.19/239,936.04
  6. Step 6: Final answer
    x = 107,209.79

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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.