Home / 126,365.59-189,535.37-42,116.65

Finding the Fourth Proportional to 126,365.59, 189,535.37 and 42,116.65

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Solution

The fourth proportional to 126,365.59, 189,535.37 and 42,116.65 is: 63,170.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,365.59 : 189,535.37 = 42,116.65 : x
  2. Step 2: Convert to fraction form
    126,365.59/189,535.37 = 42,116.65/x
  3. Step 3: Cross multiply
    126,365.59x = 189,535.37 × 42,116.65
  4. Step 4: Simplify right side
    126,365.59x = 7,982,594,840.91
  5. Step 5: Solve for x
    x = 7,982,594,840.91/126,365.59
  6. Step 6: Final answer
    x = 63,170.64

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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.