Home / 121,752.78-182,713.95-42,873.36

Finding the Fourth Proportional to 121,752.78, 182,713.95 and 42,873.36

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Solution

The fourth proportional to 121,752.78, 182,713.95 and 42,873.36 is: 64,339.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,752.78 : 182,713.95 = 42,873.36 : x
  2. Step 2: Convert to fraction form
    121,752.78/182,713.95 = 42,873.36/x
  3. Step 3: Cross multiply
    121,752.78x = 182,713.95 × 42,873.36
  4. Step 4: Simplify right side
    121,752.78x = 7,833,560,955.37
  5. Step 5: Solve for x
    x = 7,833,560,955.37/121,752.78
  6. Step 6: Final answer
    x = 64,339.89

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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.