Home / 189,960.14-262,133.46-103,902.90

Finding the Fourth Proportional to 189,960.14, 262,133.46 and 103,902.90

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Solution

The fourth proportional to 189,960.14, 262,133.46 and 103,902.90 is: 143,379.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,960.14 : 262,133.46 = 103,902.90 : x
  2. Step 2: Convert to fraction form
    189,960.14/262,133.46 = 103,902.90/x
  3. Step 3: Cross multiply
    189,960.14x = 262,133.46 × 103,902.90
  4. Step 4: Simplify right side
    189,960.14x = 27,236,426,681.03
  5. Step 5: Solve for x
    x = 27,236,426,681.03/189,960.14
  6. Step 6: Final answer
    x = 143,379.70

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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.