Home / 126,774.23-190,190.51-42,545.57

Finding the Fourth Proportional to 126,774.23, 190,190.51 and 42,545.57

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Solution

The fourth proportional to 126,774.23, 190,190.51 and 42,545.57 is: 63,828.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,774.23 : 190,190.51 = 42,545.57 : x
  2. Step 2: Convert to fraction form
    126,774.23/190,190.51 = 42,545.57/x
  3. Step 3: Cross multiply
    126,774.23x = 190,190.51 × 42,545.57
  4. Step 4: Simplify right side
    126,774.23x = 8,091,764,238.38
  5. Step 5: Solve for x
    x = 8,091,764,238.38/126,774.23
  6. Step 6: Final answer
    x = 63,828.15

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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.