Home / 139,283.13-208,956.14-50,536.50

Finding the Fourth Proportional to 139,283.13, 208,956.14 and 50,536.50

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Solution

The fourth proportional to 139,283.13, 208,956.14 and 50,536.50 is: 75,816.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,283.13 : 208,956.14 = 50,536.50 : x
  2. Step 2: Convert to fraction form
    139,283.13/208,956.14 = 50,536.50/x
  3. Step 3: Cross multiply
    139,283.13x = 208,956.14 × 50,536.50
  4. Step 4: Simplify right side
    139,283.13x = 10,559,911,969.11
  5. Step 5: Solve for x
    x = 10,559,911,969.11/139,283.13
  6. Step 6: Final answer
    x = 75,816.16

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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.