Home / 207,144.36-310,519.68-132,053.76

Finding the Fourth Proportional to 207,144.36, 310,519.68 and 132,053.76

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Solution

The fourth proportional to 207,144.36, 310,519.68 and 132,053.76 is: 197,955.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,144.36 : 310,519.68 = 132,053.76 : x
  2. Step 2: Convert to fraction form
    207,144.36/310,519.68 = 132,053.76/x
  3. Step 3: Cross multiply
    207,144.36x = 310,519.68 × 132,053.76
  4. Step 4: Simplify right side
    207,144.36x = 41,005,291,298.00
  5. Step 5: Solve for x
    x = 41,005,291,298.00/207,144.36
  6. Step 6: Final answer
    x = 197,955.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.