Home / 160,001.68-240,153.18-81,172.48

Finding the Fourth Proportional to 160,001.68, 240,153.18 and 81,172.48

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Solution

The fourth proportional to 160,001.68, 240,153.18 and 81,172.48 is: 121,835.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,001.68 : 240,153.18 = 81,172.48 : x
  2. Step 2: Convert to fraction form
    160,001.68/240,153.18 = 81,172.48/x
  3. Step 3: Cross multiply
    160,001.68x = 240,153.18 × 81,172.48
  4. Step 4: Simplify right side
    160,001.68x = 19,493,829,200.49
  5. Step 5: Solve for x
    x = 19,493,829,200.49/160,001.68
  6. Step 6: Final answer
    x = 121,835.15

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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.