Home / 144,585.13-199,602.38-90,153.44

Finding the Fourth Proportional to 144,585.13, 199,602.38 and 90,153.44

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Solution

The fourth proportional to 144,585.13, 199,602.38 and 90,153.44 is: 124,458.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,585.13 : 199,602.38 = 90,153.44 : x
  2. Step 2: Convert to fraction form
    144,585.13/199,602.38 = 90,153.44/x
  3. Step 3: Cross multiply
    144,585.13x = 199,602.38 × 90,153.44
  4. Step 4: Simplify right side
    144,585.13x = 17,994,839,740.41
  5. Step 5: Solve for x
    x = 17,994,839,740.41/144,585.13
  6. Step 6: Final answer
    x = 124,458.44

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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.