Home / 134,777.07-186,052.13-87,053.70

Finding the Fourth Proportional to 134,777.07, 186,052.13 and 87,053.70

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Solution

The fourth proportional to 134,777.07, 186,052.13 and 87,053.70 is: 120,172.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,777.07 : 186,052.13 = 87,053.70 : x
  2. Step 2: Convert to fraction form
    134,777.07/186,052.13 = 87,053.70/x
  3. Step 3: Cross multiply
    134,777.07x = 186,052.13 × 87,053.70
  4. Step 4: Simplify right side
    134,777.07x = 16,196,526,309.38
  5. Step 5: Solve for x
    x = 16,196,526,309.38/134,777.07
  6. Step 6: Final answer
    x = 120,172.71

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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.