Home / 119,392.04-178,964.40-40,479.68

Finding the Fourth Proportional to 119,392.04, 178,964.40 and 40,479.68

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Solution

The fourth proportional to 119,392.04, 178,964.40 and 40,479.68 is: 60,677.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,392.04 : 178,964.40 = 40,479.68 : x
  2. Step 2: Convert to fraction form
    119,392.04/178,964.40 = 40,479.68/x
  3. Step 3: Cross multiply
    119,392.04x = 178,964.40 × 40,479.68
  4. Step 4: Simplify right side
    119,392.04x = 7,244,421,643.39
  5. Step 5: Solve for x
    x = 7,244,421,643.39/119,392.04
  6. Step 6: Final answer
    x = 60,677.59

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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.