Home / 134,121.16-185,017.80-91,102.87

Finding the Fourth Proportional to 134,121.16, 185,017.80 and 91,102.87

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Solution

The fourth proportional to 134,121.16, 185,017.80 and 91,102.87 is: 125,674.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,121.16 : 185,017.80 = 91,102.87 : x
  2. Step 2: Convert to fraction form
    134,121.16/185,017.80 = 91,102.87/x
  3. Step 3: Cross multiply
    134,121.16x = 185,017.80 × 91,102.87
  4. Step 4: Simplify right side
    134,121.16x = 16,855,652,581.09
  5. Step 5: Solve for x
    x = 16,855,652,581.09/134,121.16
  6. Step 6: Final answer
    x = 125,674.82

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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.