Home / 138,923.02-191,713.53-75,262.42

Finding the Fourth Proportional to 138,923.02, 191,713.53 and 75,262.42

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Solution

The fourth proportional to 138,923.02, 191,713.53 and 75,262.42 is: 103,862.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,923.02 : 191,713.53 = 75,262.42 : x
  2. Step 2: Convert to fraction form
    138,923.02/191,713.53 = 75,262.42/x
  3. Step 3: Cross multiply
    138,923.02x = 191,713.53 × 75,262.42
  4. Step 4: Simplify right side
    138,923.02x = 14,428,824,214.54
  5. Step 5: Solve for x
    x = 14,428,824,214.54/138,923.02
  6. Step 6: Final answer
    x = 103,862.01

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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.