Home / 144,842.04-199,890.36-81,200.16

Finding the Fourth Proportional to 144,842.04, 199,890.36 and 81,200.16

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Solution

The fourth proportional to 144,842.04, 199,890.36 and 81,200.16 is: 112,060.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,842.04 : 199,890.36 = 81,200.16 : x
  2. Step 2: Convert to fraction form
    144,842.04/199,890.36 = 81,200.16/x
  3. Step 3: Cross multiply
    144,842.04x = 199,890.36 × 81,200.16
  4. Step 4: Simplify right side
    144,842.04x = 16,231,129,214.46
  5. Step 5: Solve for x
    x = 16,231,129,214.46/144,842.04
  6. Step 6: Final answer
    x = 112,060.90

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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.