Home / 186,510.12-279,847.89-97,742.55

Finding the Fourth Proportional to 186,510.12, 279,847.89 and 97,742.55

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Solution

The fourth proportional to 186,510.12, 279,847.89 and 97,742.55 is: 146,657.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,510.12 : 279,847.89 = 97,742.55 : x
  2. Step 2: Convert to fraction form
    186,510.12/279,847.89 = 97,742.55/x
  3. Step 3: Cross multiply
    186,510.12x = 279,847.89 × 97,742.55
  4. Step 4: Simplify right side
    186,510.12x = 27,353,046,380.72
  5. Step 5: Solve for x
    x = 27,353,046,380.72/186,510.12
  6. Step 6: Final answer
    x = 146,657.17

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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.