Home / 90,062.08-134,945.52-30,865.84

Finding the Fourth Proportional to 90,062.08, 134,945.52 and 30,865.84

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Solution

The fourth proportional to 90,062.08, 134,945.52 and 30,865.84 is: 46,248.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,062.08 : 134,945.52 = 30,865.84 : x
  2. Step 2: Convert to fraction form
    90,062.08/134,945.52 = 30,865.84/x
  3. Step 3: Cross multiply
    90,062.08x = 134,945.52 × 30,865.84
  4. Step 4: Simplify right side
    90,062.08x = 4,165,206,829.04
  5. Step 5: Solve for x
    x = 4,165,206,829.04/90,062.08
  6. Step 6: Final answer
    x = 46,248.17

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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.