Home / 138,838.05-208,224.27-59,909.22

Finding the Fourth Proportional to 138,838.05, 208,224.27 and 59,909.22

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Solution

The fourth proportional to 138,838.05, 208,224.27 and 59,909.22 is: 89,849.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,838.05 : 208,224.27 = 59,909.22 : x
  2. Step 2: Convert to fraction form
    138,838.05/208,224.27 = 59,909.22/x
  3. Step 3: Cross multiply
    138,838.05x = 208,224.27 × 59,909.22
  4. Step 4: Simplify right side
    138,838.05x = 12,474,553,600.77
  5. Step 5: Solve for x
    x = 12,474,553,600.77/138,838.05
  6. Step 6: Final answer
    x = 89,849.67

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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.