Home / 125,429.50-188,144.25-42,323.50

Finding the Fourth Proportional to 125,429.50, 188,144.25 and 42,323.50

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Solution

The fourth proportional to 125,429.50, 188,144.25 and 42,323.50 is: 63,485.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,429.50 : 188,144.25 = 42,323.50 : x
  2. Step 2: Convert to fraction form
    125,429.50/188,144.25 = 42,323.50/x
  3. Step 3: Cross multiply
    125,429.50x = 188,144.25 × 42,323.50
  4. Step 4: Simplify right side
    125,429.50x = 7,962,923,164.88
  5. Step 5: Solve for x
    x = 7,962,923,164.88/125,429.50
  6. Step 6: Final answer
    x = 63,485.25

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1.5x scale

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.