Home / 134,555.18-185,652.61-86,751

Finding the Fourth Proportional to 134,555.18, 185,652.61 and 86,751

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Solution

The fourth proportional to 134,555.18, 185,652.61 and 86,751 is: 119,694.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,555.18 : 185,652.61 = 86,751 : x
  2. Step 2: Convert to fraction form
    134,555.18/185,652.61 = 86,751/x
  3. Step 3: Cross multiply
    134,555.18x = 185,652.61 × 86,751
  4. Step 4: Simplify right side
    134,555.18x = 16,105,549,353.23
  5. Step 5: Solve for x
    x = 16,105,549,353.23/134,555.18
  6. Step 6: Final answer
    x = 119,694.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.