Home / 131,428.28-197,282.70-56,585.48

Finding the Fourth Proportional to 131,428.28, 197,282.70 and 56,585.48

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Solution

The fourth proportional to 131,428.28, 197,282.70 and 56,585.48 is: 84,938.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,428.28 : 197,282.70 = 56,585.48 : x
  2. Step 2: Convert to fraction form
    131,428.28/197,282.70 = 56,585.48/x
  3. Step 3: Cross multiply
    131,428.28x = 197,282.70 × 56,585.48
  4. Step 4: Simplify right side
    131,428.28x = 11,163,336,275.20
  5. Step 5: Solve for x
    x = 11,163,336,275.20/131,428.28
  6. Step 6: Final answer
    x = 84,938.62

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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.