Home / 140,416.75-193,775.93-90,115.75

Finding the Fourth Proportional to 140,416.75, 193,775.93 and 90,115.75

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Solution

The fourth proportional to 140,416.75, 193,775.93 and 90,115.75 is: 124,360.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,416.75 : 193,775.93 = 90,115.75 : x
  2. Step 2: Convert to fraction form
    140,416.75/193,775.93 = 90,115.75/x
  3. Step 3: Cross multiply
    140,416.75x = 193,775.93 × 90,115.75
  4. Step 4: Simplify right side
    140,416.75x = 17,462,263,263.90
  5. Step 5: Solve for x
    x = 17,462,263,263.90/140,416.75
  6. Step 6: Final answer
    x = 124,360.26

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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.