Home / 144,323.08-199,036.84-90,613.12

Finding the Fourth Proportional to 144,323.08, 199,036.84 and 90,613.12

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Solution

The fourth proportional to 144,323.08, 199,036.84 and 90,613.12 is: 124,965.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,323.08 : 199,036.84 = 90,613.12 : x
  2. Step 2: Convert to fraction form
    144,323.08/199,036.84 = 90,613.12/x
  3. Step 3: Cross multiply
    144,323.08x = 199,036.84 × 90,613.12
  4. Step 4: Simplify right side
    144,323.08x = 18,035,349,067.34
  5. Step 5: Solve for x
    x = 18,035,349,067.34/144,323.08
  6. Step 6: Final answer
    x = 124,965.11

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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.