Home / 135,898.02-203,796-47,130.12

Finding the Fourth Proportional to 135,898.02, 203,796 and 47,130.12

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Solution

The fourth proportional to 135,898.02, 203,796 and 47,130.12 is: 70,677.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,898.02 : 203,796 = 47,130.12 : x
  2. Step 2: Convert to fraction form
    135,898.02/203,796 = 47,130.12/x
  3. Step 3: Cross multiply
    135,898.02x = 203,796 × 47,130.12
  4. Step 4: Simplify right side
    135,898.02x = 9,604,929,935.52
  5. Step 5: Solve for x
    x = 9,604,929,935.52/135,898.02
  6. Step 6: Final answer
    x = 70,677.48

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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.