Home / 170,017.20-254,442.60-156,020.40

Finding the Fourth Proportional to 170,017.20, 254,442.60 and 156,020.40

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Solution

The fourth proportional to 170,017.20, 254,442.60 and 156,020.40 is: 233,495.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,017.20 : 254,442.60 = 156,020.40 : x
  2. Step 2: Convert to fraction form
    170,017.20/254,442.60 = 156,020.40/x
  3. Step 3: Cross multiply
    170,017.20x = 254,442.60 × 156,020.40
  4. Step 4: Simplify right side
    170,017.20x = 39,698,236,229.04
  5. Step 5: Solve for x
    x = 39,698,236,229.04/170,017.20
  6. Step 6: Final answer
    x = 233,495.41

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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.