Home / 153,934.14-212,464.53-90,292.44

Finding the Fourth Proportional to 153,934.14, 212,464.53 and 90,292.44

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Solution

The fourth proportional to 153,934.14, 212,464.53 and 90,292.44 is: 124,624.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,934.14 : 212,464.53 = 90,292.44 : x
  2. Step 2: Convert to fraction form
    153,934.14/212,464.53 = 90,292.44/x
  3. Step 3: Cross multiply
    153,934.14x = 212,464.53 × 90,292.44
  4. Step 4: Simplify right side
    153,934.14x = 19,183,940,827.15
  5. Step 5: Solve for x
    x = 19,183,940,827.15/153,934.14
  6. Step 6: Final answer
    x = 124,624.34

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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.