Home / 144,874.19-199,925.57-81,210.62

Finding the Fourth Proportional to 144,874.19, 199,925.57 and 81,210.62

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Solution

The fourth proportional to 144,874.19, 199,925.57 and 81,210.62 is: 112,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,874.19 : 199,925.57 = 81,210.62 : x
  2. Step 2: Convert to fraction form
    144,874.19/199,925.57 = 81,210.62/x
  3. Step 3: Cross multiply
    144,874.19x = 199,925.57 × 81,210.62
  4. Step 4: Simplify right side
    144,874.19x = 16,236,080,196.39
  5. Step 5: Solve for x
    x = 16,236,080,196.39/144,874.19
  6. Step 6: Final answer
    x = 112,070.20

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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.