Home / 135,829.02-203,697.38-47,061.81

Finding the Fourth Proportional to 135,829.02, 203,697.38 and 47,061.81

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Solution

The fourth proportional to 135,829.02, 203,697.38 and 47,061.81 is: 70,576.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,829.02 : 203,697.38 = 47,061.81 : x
  2. Step 2: Convert to fraction form
    135,829.02/203,697.38 = 47,061.81/x
  3. Step 3: Cross multiply
    135,829.02x = 203,697.38 × 47,061.81
  4. Step 4: Simplify right side
    135,829.02x = 9,586,367,159.75
  5. Step 5: Solve for x
    x = 9,586,367,159.75/135,829.02
  6. Step 6: Final answer
    x = 70,576.72

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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.