Home / 243,923.40-366,041.30-131,681.79

Finding the Fourth Proportional to 243,923.40, 366,041.30 and 131,681.79

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Solution

The fourth proportional to 243,923.40, 366,041.30 and 131,681.79 is: 197,607.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,923.40 : 366,041.30 = 131,681.79 : x
  2. Step 2: Convert to fraction form
    243,923.40/366,041.30 = 131,681.79/x
  3. Step 3: Cross multiply
    243,923.40x = 366,041.30 × 131,681.79
  4. Step 4: Simplify right side
    243,923.40x = 48,200,973,597.93
  5. Step 5: Solve for x
    x = 48,200,973,597.93/243,923.40
  6. Step 6: Final answer
    x = 197,607.01

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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.