Home / 144,350.55-215,412.98-126,858.06

Finding the Fourth Proportional to 144,350.55, 215,412.98 and 126,858.06

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Solution

The fourth proportional to 144,350.55, 215,412.98 and 126,858.06 is: 189,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,350.55 : 215,412.98 = 126,858.06 : x
  2. Step 2: Convert to fraction form
    144,350.55/215,412.98 = 126,858.06/x
  3. Step 3: Cross multiply
    144,350.55x = 215,412.98 × 126,858.06
  4. Step 4: Simplify right side
    144,350.55x = 27,326,872,107.33
  5. Step 5: Solve for x
    x = 27,326,872,107.33/144,350.55
  6. Step 6: Final answer
    x = 189,309.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.