Home / 165,079.80-247,328.10-146,417.40

Finding the Fourth Proportional to 165,079.80, 247,328.10 and 146,417.40

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Solution

The fourth proportional to 165,079.80, 247,328.10 and 146,417.40 is: 219,367.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,079.80 : 247,328.10 = 146,417.40 : x
  2. Step 2: Convert to fraction form
    165,079.80/247,328.10 = 146,417.40/x
  3. Step 3: Cross multiply
    165,079.80x = 247,328.10 × 146,417.40
  4. Step 4: Simplify right side
    165,079.80x = 36,213,137,348.94
  5. Step 5: Solve for x
    x = 36,213,137,348.94/165,079.80
  6. Step 6: Final answer
    x = 219,367.47

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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.