Home / 170,901.46-256,513.02-86,722.03

Finding the Fourth Proportional to 170,901.46, 256,513.02 and 86,722.03

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Solution

The fourth proportional to 170,901.46, 256,513.02 and 86,722.03 is: 130,164.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,901.46 : 256,513.02 = 86,722.03 : x
  2. Step 2: Convert to fraction form
    170,901.46/256,513.02 = 86,722.03/x
  3. Step 3: Cross multiply
    170,901.46x = 256,513.02 × 86,722.03
  4. Step 4: Simplify right side
    170,901.46x = 22,245,329,815.83
  5. Step 5: Solve for x
    x = 22,245,329,815.83/170,901.46
  6. Step 6: Final answer
    x = 130,164.66

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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.