Home / 134,136.07-185,103.93-75,987.38

Finding the Fourth Proportional to 134,136.07, 185,103.93 and 75,987.38

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Solution

The fourth proportional to 134,136.07, 185,103.93 and 75,987.38 is: 104,860.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,136.07 : 185,103.93 = 75,987.38 : x
  2. Step 2: Convert to fraction form
    134,136.07/185,103.93 = 75,987.38/x
  3. Step 3: Cross multiply
    134,136.07x = 185,103.93 × 75,987.38
  4. Step 4: Simplify right side
    134,136.07x = 14,065,563,416.12
  5. Step 5: Solve for x
    x = 14,065,563,416.12/134,136.07
  6. Step 6: Final answer
    x = 104,860.41

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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.