Home / 268,730.04-402,713.52-126,521.58

Finding the Fourth Proportional to 268,730.04, 402,713.52 and 126,521.58

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Solution

The fourth proportional to 268,730.04, 402,713.52 and 126,521.58 is: 189,602.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,730.04 : 402,713.52 = 126,521.58 : x
  2. Step 2: Convert to fraction form
    268,730.04/402,713.52 = 126,521.58/x
  3. Step 3: Cross multiply
    268,730.04x = 402,713.52 × 126,521.58
  4. Step 4: Simplify right side
    268,730.04x = 50,951,950,837.76
  5. Step 5: Solve for x
    x = 50,951,950,837.76/268,730.04
  6. Step 6: Final answer
    x = 189,602.74

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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.