Home / 144,774.08-199,834.48-90,351.80

Finding the Fourth Proportional to 144,774.08, 199,834.48 and 90,351.80

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Solution

The fourth proportional to 144,774.08, 199,834.48 and 90,351.80 is: 124,714.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,774.08 : 199,834.48 = 90,351.80 : x
  2. Step 2: Convert to fraction form
    144,774.08/199,834.48 = 90,351.80/x
  3. Step 3: Cross multiply
    144,774.08x = 199,834.48 × 90,351.80
  4. Step 4: Simplify right side
    144,774.08x = 18,055,404,970.06
  5. Step 5: Solve for x
    x = 18,055,404,970.06/144,774.08
  6. Step 6: Final answer
    x = 124,714.35

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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.