Home / 126,549.02-189,751.65-51,581.36

Finding the Fourth Proportional to 126,549.02, 189,751.65 and 51,581.36

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Solution

The fourth proportional to 126,549.02, 189,751.65 and 51,581.36 is: 77,342.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,549.02 : 189,751.65 = 51,581.36 : x
  2. Step 2: Convert to fraction form
    126,549.02/189,751.65 = 51,581.36/x
  3. Step 3: Cross multiply
    126,549.02x = 189,751.65 × 51,581.36
  4. Step 4: Simplify right side
    126,549.02x = 9,787,648,450.19
  5. Step 5: Solve for x
    x = 9,787,648,450.19/126,549.02
  6. Step 6: Final answer
    x = 77,342.74

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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.