Home / 112,748.96-155,608.80-65,001.44

Finding the Fourth Proportional to 112,748.96, 155,608.80 and 65,001.44

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Solution

The fourth proportional to 112,748.96, 155,608.80 and 65,001.44 is: 89,710.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,748.96 : 155,608.80 = 65,001.44 : x
  2. Step 2: Convert to fraction form
    112,748.96/155,608.80 = 65,001.44/x
  3. Step 3: Cross multiply
    112,748.96x = 155,608.80 × 65,001.44
  4. Step 4: Simplify right side
    112,748.96x = 10,114,796,076.67
  5. Step 5: Solve for x
    x = 10,114,796,076.67/112,748.96
  6. Step 6: Final answer
    x = 89,710.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.