Home / 125,336.12-188,005.14-42,228.92

Finding the Fourth Proportional to 125,336.12, 188,005.14 and 42,228.92

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Solution

The fourth proportional to 125,336.12, 188,005.14 and 42,228.92 is: 63,343.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,336.12 : 188,005.14 = 42,228.92 : x
  2. Step 2: Convert to fraction form
    125,336.12/188,005.14 = 42,228.92/x
  3. Step 3: Cross multiply
    125,336.12x = 188,005.14 × 42,228.92
  4. Step 4: Simplify right side
    125,336.12x = 7,939,254,016.65
  5. Step 5: Solve for x
    x = 7,939,254,016.65/125,336.12
  6. Step 6: Final answer
    x = 63,343.70

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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.