Home / 131,871.39-197,838.20-43,124.55

Finding the Fourth Proportional to 131,871.39, 197,838.20 and 43,124.55

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Solution

The fourth proportional to 131,871.39, 197,838.20 and 43,124.55 is: 64,697.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,871.39 : 197,838.20 = 43,124.55 : x
  2. Step 2: Convert to fraction form
    131,871.39/197,838.20 = 43,124.55/x
  3. Step 3: Cross multiply
    131,871.39x = 197,838.20 × 43,124.55
  4. Step 4: Simplify right side
    131,871.39x = 8,531,683,347.81
  5. Step 5: Solve for x
    x = 8,531,683,347.81/131,871.39
  6. Step 6: Final answer
    x = 64,697.00

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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.