Home / 131,685.51-197,527.86-52,855.11

Finding the Fourth Proportional to 131,685.51, 197,527.86 and 52,855.11

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Solution

The fourth proportional to 131,685.51, 197,527.86 and 52,855.11 is: 79,282.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,685.51 : 197,527.86 = 52,855.11 : x
  2. Step 2: Convert to fraction form
    131,685.51/197,527.86 = 52,855.11/x
  3. Step 3: Cross multiply
    131,685.51x = 197,527.86 × 52,855.11
  4. Step 4: Simplify right side
    131,685.51x = 10,440,356,768.36
  5. Step 5: Solve for x
    x = 10,440,356,768.36/131,685.51
  6. Step 6: Final answer
    x = 79,282.50

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1.5x scale

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.