Home / 144,320.08-199,032.72-90,610.12

Finding the Fourth Proportional to 144,320.08, 199,032.72 and 90,610.12

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Solution

The fourth proportional to 144,320.08, 199,032.72 and 90,610.12 is: 124,960.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,320.08 : 199,032.72 = 90,610.12 : x
  2. Step 2: Convert to fraction form
    144,320.08/199,032.72 = 90,610.12/x
  3. Step 3: Cross multiply
    144,320.08x = 199,032.72 × 90,610.12
  4. Step 4: Simplify right side
    144,320.08x = 18,034,378,643.13
  5. Step 5: Solve for x
    x = 18,034,378,643.13/144,320.08
  6. Step 6: Final answer
    x = 124,960.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.