Home / 136,254.84-204,415.08-42,760.56

Finding the Fourth Proportional to 136,254.84, 204,415.08 and 42,760.56

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Solution

The fourth proportional to 136,254.84, 204,415.08 and 42,760.56 is: 64,151.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,254.84 : 204,415.08 = 42,760.56 : x
  2. Step 2: Convert to fraction form
    136,254.84/204,415.08 = 42,760.56/x
  3. Step 3: Cross multiply
    136,254.84x = 204,415.08 × 42,760.56
  4. Step 4: Simplify right side
    136,254.84x = 8,740,903,293.24
  5. Step 5: Solve for x
    x = 8,740,903,293.24/136,254.84
  6. Step 6: Final answer
    x = 64,151.14

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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.