Home / 105,233.74-145,232.56-57,494.28

Finding the Fourth Proportional to 105,233.74, 145,232.56 and 57,494.28

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Solution

The fourth proportional to 105,233.74, 145,232.56 and 57,494.28 is: 79,347.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,233.74 : 145,232.56 = 57,494.28 : x
  2. Step 2: Convert to fraction form
    105,233.74/145,232.56 = 57,494.28/x
  3. Step 3: Cross multiply
    105,233.74x = 145,232.56 × 57,494.28
  4. Step 4: Simplify right side
    105,233.74x = 8,350,041,469.76
  5. Step 5: Solve for x
    x = 8,350,041,469.76/105,233.74
  6. Step 6: Final answer
    x = 79,347.57

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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.