Home / 126,888.92-190,350.86-42,655.62

Finding the Fourth Proportional to 126,888.92, 190,350.86 and 42,655.62

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Solution

The fourth proportional to 126,888.92, 190,350.86 and 42,655.62 is: 63,989.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,888.92 : 190,350.86 = 42,655.62 : x
  2. Step 2: Convert to fraction form
    126,888.92/190,350.86 = 42,655.62/x
  3. Step 3: Cross multiply
    126,888.92x = 190,350.86 × 42,655.62
  4. Step 4: Simplify right side
    126,888.92x = 8,119,533,737.56
  5. Step 5: Solve for x
    x = 8,119,533,737.56/126,888.92
  6. Step 6: Final answer
    x = 63,989.31

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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.