Home / 179,440.16-268,959.12-72,799.36

Finding the Fourth Proportional to 179,440.16, 268,959.12 and 72,799.36

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Solution

The fourth proportional to 179,440.16, 268,959.12 and 72,799.36 is: 109,117.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,440.16 : 268,959.12 = 72,799.36 : x
  2. Step 2: Convert to fraction form
    179,440.16/268,959.12 = 72,799.36/x
  3. Step 3: Cross multiply
    179,440.16x = 268,959.12 × 72,799.36
  4. Step 4: Simplify right side
    179,440.16x = 19,580,051,802.16
  5. Step 5: Solve for x
    x = 19,580,051,802.16/179,440.16
  6. Step 6: Final answer
    x = 109,117.45

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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.