Home / 155,266.56-214,260.48-88,197.12

Finding the Fourth Proportional to 155,266.56, 214,260.48 and 88,197.12

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Solution

The fourth proportional to 155,266.56, 214,260.48 and 88,197.12 is: 121,707.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,266.56 : 214,260.48 = 88,197.12 : x
  2. Step 2: Convert to fraction form
    155,266.56/214,260.48 = 88,197.12/x
  3. Step 3: Cross multiply
    155,266.56x = 214,260.48 × 88,197.12
  4. Step 4: Simplify right side
    155,266.56x = 18,897,157,265.82
  5. Step 5: Solve for x
    x = 18,897,157,265.82/155,266.56
  6. Step 6: Final answer
    x = 121,707.84

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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.