Home / 144,312.87-199,207.44-129,178.83

Finding the Fourth Proportional to 144,312.87, 199,207.44 and 129,178.83

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Solution

The fourth proportional to 144,312.87, 199,207.44 and 129,178.83 is: 178,316.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,312.87 : 199,207.44 = 129,178.83 : x
  2. Step 2: Convert to fraction form
    144,312.87/199,207.44 = 129,178.83/x
  3. Step 3: Cross multiply
    144,312.87x = 199,207.44 × 129,178.83
  4. Step 4: Simplify right side
    144,312.87x = 25,733,384,026.50
  5. Step 5: Solve for x
    x = 25,733,384,026.50/144,312.87
  6. Step 6: Final answer
    x = 178,316.63

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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.