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Finding the Fourth Proportional to 155,090.16, 214,022.52 and 88,017.84

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Solution

The fourth proportional to 155,090.16, 214,022.52 and 88,017.84 is: 121,463.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,090.16 : 214,022.52 = 88,017.84 : x
  2. Step 2: Convert to fraction form
    155,090.16/214,022.52 = 88,017.84/x
  3. Step 3: Cross multiply
    155,090.16x = 214,022.52 × 88,017.84
  4. Step 4: Simplify right side
    155,090.16x = 18,837,799,921.76
  5. Step 5: Solve for x
    x = 18,837,799,921.76/155,090.16
  6. Step 6: Final answer
    x = 121,463.54

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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.