Home / 115,166.29-172,776.75-36,280.30

Finding the Fourth Proportional to 115,166.29, 172,776.75 and 36,280.30

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Solution

The fourth proportional to 115,166.29, 172,776.75 and 36,280.30 is: 54,429.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,166.29 : 172,776.75 = 36,280.30 : x
  2. Step 2: Convert to fraction form
    115,166.29/172,776.75 = 36,280.30/x
  3. Step 3: Cross multiply
    115,166.29x = 172,776.75 × 36,280.30
  4. Step 4: Simplify right side
    115,166.29x = 6,268,392,323.03
  5. Step 5: Solve for x
    x = 6,268,392,323.03/115,166.29
  6. Step 6: Final answer
    x = 54,429.05

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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.