Home / 125,347.56-188,021.98-42,242.28

Finding the Fourth Proportional to 125,347.56, 188,021.98 and 42,242.28

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Solution

The fourth proportional to 125,347.56, 188,021.98 and 42,242.28 is: 63,363.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,347.56 : 188,021.98 = 42,242.28 : x
  2. Step 2: Convert to fraction form
    125,347.56/188,021.98 = 42,242.28/x
  3. Step 3: Cross multiply
    125,347.56x = 188,021.98 × 42,242.28
  4. Step 4: Simplify right side
    125,347.56x = 7,942,477,125.31
  5. Step 5: Solve for x
    x = 7,942,477,125.31/125,347.56
  6. Step 6: Final answer
    x = 63,363.64

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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.