Home / 170,146.40-255,276.42-75,363.70

Finding the Fourth Proportional to 170,146.40, 255,276.42 and 75,363.70

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Solution

The fourth proportional to 170,146.40, 255,276.42 and 75,363.70 is: 113,070.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,146.40 : 255,276.42 = 75,363.70 : x
  2. Step 2: Convert to fraction form
    170,146.40/255,276.42 = 75,363.70/x
  3. Step 3: Cross multiply
    170,146.40x = 255,276.42 × 75,363.70
  4. Step 4: Simplify right side
    170,146.40x = 19,238,575,533.95
  5. Step 5: Solve for x
    x = 19,238,575,533.95/170,146.40
  6. Step 6: Final answer
    x = 113,070.72

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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.