Home / 136,435.22-204,642.84-42,967.70

Finding the Fourth Proportional to 136,435.22, 204,642.84 and 42,967.70

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Solution

The fourth proportional to 136,435.22, 204,642.84 and 42,967.70 is: 64,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,435.22 : 204,642.84 = 42,967.70 : x
  2. Step 2: Convert to fraction form
    136,435.22/204,642.84 = 42,967.70/x
  3. Step 3: Cross multiply
    136,435.22x = 204,642.84 × 42,967.70
  4. Step 4: Simplify right side
    136,435.22x = 8,793,032,156.27
  5. Step 5: Solve for x
    x = 8,793,032,156.27/136,435.22
  6. Step 6: Final answer
    x = 64,448.40

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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.