Home / 119,488.32-179,128.80-60,274.08

Finding the Fourth Proportional to 119,488.32, 179,128.80 and 60,274.08

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Solution

The fourth proportional to 119,488.32, 179,128.80 and 60,274.08 is: 90,358.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,488.32 : 179,128.80 = 60,274.08 : x
  2. Step 2: Convert to fraction form
    119,488.32/179,128.80 = 60,274.08/x
  3. Step 3: Cross multiply
    119,488.32x = 179,128.80 × 60,274.08
  4. Step 4: Simplify right side
    119,488.32x = 10,796,823,621.50
  5. Step 5: Solve for x
    x = 10,796,823,621.50/119,488.32
  6. Step 6: Final answer
    x = 90,358.82

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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.