Home / 165,680.10-248,520.15-147,708.90

Finding the Fourth Proportional to 165,680.10, 248,520.15 and 147,708.90

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Solution

The fourth proportional to 165,680.10, 248,520.15 and 147,708.90 is: 221,563.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,680.10 : 248,520.15 = 147,708.90 : x
  2. Step 2: Convert to fraction form
    165,680.10/248,520.15 = 147,708.90/x
  3. Step 3: Cross multiply
    165,680.10x = 248,520.15 × 147,708.90
  4. Step 4: Simplify right side
    165,680.10x = 36,708,637,984.34
  5. Step 5: Solve for x
    x = 36,708,637,984.34/165,680.10
  6. Step 6: Final answer
    x = 221,563.35

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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.