Home / 139,733.84-209,663.04-50,966.58

Finding the Fourth Proportional to 139,733.84, 209,663.04 and 50,966.58

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Solution

The fourth proportional to 139,733.84, 209,663.04 and 50,966.58 is: 76,472.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,733.84 : 209,663.04 = 50,966.58 : x
  2. Step 2: Convert to fraction form
    139,733.84/209,663.04 = 50,966.58/x
  3. Step 3: Cross multiply
    139,733.84x = 209,663.04 × 50,966.58
  4. Step 4: Simplify right side
    139,733.84x = 10,685,808,101.20
  5. Step 5: Solve for x
    x = 10,685,808,101.20/139,733.84
  6. Step 6: Final answer
    x = 76,472.59

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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.