Home / 125,622.40-188,316.48-42,458.24

Finding the Fourth Proportional to 125,622.40, 188,316.48 and 42,458.24

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Solution

The fourth proportional to 125,622.40, 188,316.48 and 42,458.24 is: 63,647.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,622.40 : 188,316.48 = 42,458.24 : x
  2. Step 2: Convert to fraction form
    125,622.40/188,316.48 = 42,458.24/x
  3. Step 3: Cross multiply
    125,622.40x = 188,316.48 × 42,458.24
  4. Step 4: Simplify right side
    125,622.40x = 7,995,586,303.80
  5. Step 5: Solve for x
    x = 7,995,586,303.80/125,622.40
  6. Step 6: Final answer
    x = 63,647.78

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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.