Home / 140,700.42-194,171.46-77,038.65

Finding the Fourth Proportional to 140,700.42, 194,171.46 and 77,038.65

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Solution

The fourth proportional to 140,700.42, 194,171.46 and 77,038.65 is: 106,316.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,700.42 : 194,171.46 = 77,038.65 : x
  2. Step 2: Convert to fraction form
    140,700.42/194,171.46 = 77,038.65/x
  3. Step 3: Cross multiply
    140,700.42x = 194,171.46 × 77,038.65
  4. Step 4: Simplify right side
    140,700.42x = 14,958,707,146.93
  5. Step 5: Solve for x
    x = 14,958,707,146.93/140,700.42
  6. Step 6: Final answer
    x = 106,316.01

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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.