Home / 134,500.47-185,568.77-76,347.53

Finding the Fourth Proportional to 134,500.47, 185,568.77 and 76,347.53

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Solution

The fourth proportional to 134,500.47, 185,568.77 and 76,347.53 is: 105,335.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,500.47 : 185,568.77 = 76,347.53 : x
  2. Step 2: Convert to fraction form
    134,500.47/185,568.77 = 76,347.53/x
  3. Step 3: Cross multiply
    134,500.47x = 185,568.77 × 76,347.53
  4. Step 4: Simplify right side
    134,500.47x = 14,167,716,388.98
  5. Step 5: Solve for x
    x = 14,167,716,388.98/134,500.47
  6. Step 6: Final answer
    x = 105,335.82

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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.