Home / 105,249.60-157,875.78-35,128.88

Finding the Fourth Proportional to 105,249.60, 157,875.78 and 35,128.88

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Solution

The fourth proportional to 105,249.60, 157,875.78 and 35,128.88 is: 52,693.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,249.60 : 157,875.78 = 35,128.88 : x
  2. Step 2: Convert to fraction form
    105,249.60/157,875.78 = 35,128.88/x
  3. Step 3: Cross multiply
    105,249.60x = 157,875.78 × 35,128.88
  4. Step 4: Simplify right side
    105,249.60x = 5,545,999,330.53
  5. Step 5: Solve for x
    x = 5,545,999,330.53/105,249.60
  6. Step 6: Final answer
    x = 52,693.78

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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.