Home / 139,717.19-209,410.75-59,731.76

Finding the Fourth Proportional to 139,717.19, 209,410.75 and 59,731.76

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Solution

The fourth proportional to 139,717.19, 209,410.75 and 59,731.76 is: 89,527.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,717.19 : 209,410.75 = 59,731.76 : x
  2. Step 2: Convert to fraction form
    139,717.19/209,410.75 = 59,731.76/x
  3. Step 3: Cross multiply
    139,717.19x = 209,410.75 × 59,731.76
  4. Step 4: Simplify right side
    139,717.19x = 12,508,472,660.42
  5. Step 5: Solve for x
    x = 12,508,472,660.42/139,717.19
  6. Step 6: Final answer
    x = 89,527.08

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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.