Home / 155,797.62-214,748.82-121,746.92

Finding the Fourth Proportional to 155,797.62, 214,748.82 and 121,746.92

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Solution

The fourth proportional to 155,797.62, 214,748.82 and 121,746.92 is: 167,813.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,797.62 : 214,748.82 = 121,746.92 : x
  2. Step 2: Convert to fraction form
    155,797.62/214,748.82 = 121,746.92/x
  3. Step 3: Cross multiply
    155,797.62x = 214,748.82 × 121,746.92
  4. Step 4: Simplify right side
    155,797.62x = 26,145,007,408.63
  5. Step 5: Solve for x
    x = 26,145,007,408.63/155,797.62
  6. Step 6: Final answer
    x = 167,813.91

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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.