Home / 153,426.88-212,003.69-119,522.91

Finding the Fourth Proportional to 153,426.88, 212,003.69 and 119,522.91

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Solution

The fourth proportional to 153,426.88, 212,003.69 and 119,522.91 is: 165,155.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,426.88 : 212,003.69 = 119,522.91 : x
  2. Step 2: Convert to fraction form
    153,426.88/212,003.69 = 119,522.91/x
  3. Step 3: Cross multiply
    153,426.88x = 212,003.69 × 119,522.91
  4. Step 4: Simplify right side
    153,426.88x = 25,339,297,959.54
  5. Step 5: Solve for x
    x = 25,339,297,959.54/153,426.88
  6. Step 6: Final answer
    x = 165,155.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.