Home / 117,278.47-175,917.84-28,531.98

Finding the Fourth Proportional to 117,278.47, 175,917.84 and 28,531.98

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Solution

The fourth proportional to 117,278.47, 175,917.84 and 28,531.98 is: 42,798.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,278.47 : 175,917.84 = 28,531.98 : x
  2. Step 2: Convert to fraction form
    117,278.47/175,917.84 = 28,531.98/x
  3. Step 3: Cross multiply
    117,278.47x = 175,917.84 × 28,531.98
  4. Step 4: Simplify right side
    117,278.47x = 5,019,283,854.57
  5. Step 5: Solve for x
    x = 5,019,283,854.57/117,278.47
  6. Step 6: Final answer
    x = 42,798.00

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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.