Home / 165,423.80-248,160.34-76,686.30

Finding the Fourth Proportional to 165,423.80, 248,160.34 and 76,686.30

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Solution

The fourth proportional to 165,423.80, 248,160.34 and 76,686.30 is: 115,040.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,423.80 : 248,160.34 = 76,686.30 : x
  2. Step 2: Convert to fraction form
    165,423.80/248,160.34 = 76,686.30/x
  3. Step 3: Cross multiply
    165,423.80x = 248,160.34 × 76,686.30
  4. Step 4: Simplify right side
    165,423.80x = 19,030,498,281.34
  5. Step 5: Solve for x
    x = 19,030,498,281.34/165,423.80
  6. Step 6: Final answer
    x = 115,040.87

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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.