Home / 135,830.02-203,698.87-47,062.81

Finding the Fourth Proportional to 135,830.02, 203,698.87 and 47,062.81

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Solution

The fourth proportional to 135,830.02, 203,698.87 and 47,062.81 is: 70,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,830.02 : 203,698.87 = 47,062.81 : x
  2. Step 2: Convert to fraction form
    135,830.02/203,698.87 = 47,062.81/x
  3. Step 3: Cross multiply
    135,830.02x = 203,698.87 × 47,062.81
  4. Step 4: Simplify right side
    135,830.02x = 9,586,641,216.02
  5. Step 5: Solve for x
    x = 9,586,641,216.02/135,830.02
  6. Step 6: Final answer
    x = 70,578.22

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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.