Home / 136,259.84-204,422.58-42,765.56

Finding the Fourth Proportional to 136,259.84, 204,422.58 and 42,765.56

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Solution

The fourth proportional to 136,259.84, 204,422.58 and 42,765.56 is: 64,158.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,259.84 : 204,422.58 = 42,765.56 : x
  2. Step 2: Convert to fraction form
    136,259.84/204,422.58 = 42,765.56/x
  3. Step 3: Cross multiply
    136,259.84x = 204,422.58 × 42,765.56
  4. Step 4: Simplify right side
    136,259.84x = 8,742,246,110.34
  5. Step 5: Solve for x
    x = 8,742,246,110.34/136,259.84
  6. Step 6: Final answer
    x = 64,158.64

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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.