Home / 155,455.74-214,494.12-91,759.50

Finding the Fourth Proportional to 155,455.74, 214,494.12 and 91,759.50

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Solution

The fourth proportional to 155,455.74, 214,494.12 and 91,759.50 is: 126,607.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,455.74 : 214,494.12 = 91,759.50 : x
  2. Step 2: Convert to fraction form
    155,455.74/214,494.12 = 91,759.50/x
  3. Step 3: Cross multiply
    155,455.74x = 214,494.12 × 91,759.50
  4. Step 4: Simplify right side
    155,455.74x = 19,681,873,204.14
  5. Step 5: Solve for x
    x = 19,681,873,204.14/155,455.74
  6. Step 6: Final answer
    x = 126,607.57

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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.