Home / 144,812.79-199,841.52-81,151.05

Finding the Fourth Proportional to 144,812.79, 199,841.52 and 81,151.05

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Solution

The fourth proportional to 144,812.79, 199,841.52 and 81,151.05 is: 111,988.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,812.79 : 199,841.52 = 81,151.05 : x
  2. Step 2: Convert to fraction form
    144,812.79/199,841.52 = 81,151.05/x
  3. Step 3: Cross multiply
    144,812.79x = 199,841.52 × 81,151.05
  4. Step 4: Simplify right side
    144,812.79x = 16,217,349,181.60
  5. Step 5: Solve for x
    x = 16,217,349,181.60/144,812.79
  6. Step 6: Final answer
    x = 111,988.38

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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.