Home / 89,473.68-134,127.09-30,268.15

Finding the Fourth Proportional to 89,473.68, 134,127.09 and 30,268.15

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Solution

The fourth proportional to 89,473.68, 134,127.09 and 30,268.15 is: 45,374.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,473.68 : 134,127.09 = 30,268.15 : x
  2. Step 2: Convert to fraction form
    89,473.68/134,127.09 = 30,268.15/x
  3. Step 3: Cross multiply
    89,473.68x = 134,127.09 × 30,268.15
  4. Step 4: Simplify right side
    89,473.68x = 4,059,778,879.18
  5. Step 5: Solve for x
    x = 4,059,778,879.18/89,473.68
  6. Step 6: Final answer
    x = 45,374.00

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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.