Home / 104,001.22-155,931.36-40,781.80

Finding the Fourth Proportional to 104,001.22, 155,931.36 and 40,781.80

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Solution

The fourth proportional to 104,001.22, 155,931.36 and 40,781.80 is: 61,145.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,001.22 : 155,931.36 = 40,781.80 : x
  2. Step 2: Convert to fraction form
    104,001.22/155,931.36 = 40,781.80/x
  3. Step 3: Cross multiply
    104,001.22x = 155,931.36 × 40,781.80
  4. Step 4: Simplify right side
    104,001.22x = 6,359,161,537.25
  5. Step 5: Solve for x
    x = 6,359,161,537.25/104,001.22
  6. Step 6: Final answer
    x = 61,145.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.