Home / 170,810.60-256,292.70-77,268.20

Finding the Fourth Proportional to 170,810.60, 256,292.70 and 77,268.20

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Solution

The fourth proportional to 170,810.60, 256,292.70 and 77,268.20 is: 115,937.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,810.60 : 256,292.70 = 77,268.20 : x
  2. Step 2: Convert to fraction form
    170,810.60/256,292.70 = 77,268.20/x
  3. Step 3: Cross multiply
    170,810.60x = 256,292.70 × 77,268.20
  4. Step 4: Simplify right side
    170,810.60x = 19,803,275,602.14
  5. Step 5: Solve for x
    x = 19,803,275,602.14/170,810.60
  6. Step 6: Final answer
    x = 115,937.04

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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.