Home / 89,465.68-134,115.09-30,260.15

Finding the Fourth Proportional to 89,465.68, 134,115.09 and 30,260.15

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Solution

The fourth proportional to 89,465.68, 134,115.09 and 30,260.15 is: 45,362.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,465.68 : 134,115.09 = 30,260.15 : x
  2. Step 2: Convert to fraction form
    89,465.68/134,115.09 = 30,260.15/x
  3. Step 3: Cross multiply
    89,465.68x = 134,115.09 × 30,260.15
  4. Step 4: Simplify right side
    89,465.68x = 4,058,342,740.66
  5. Step 5: Solve for x
    x = 4,058,342,740.66/89,465.68
  6. Step 6: Final answer
    x = 45,362.01

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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.