Home / 139,462.02-192,457.62-75,799.80

Finding the Fourth Proportional to 139,462.02, 192,457.62 and 75,799.80

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Solution

The fourth proportional to 139,462.02, 192,457.62 and 75,799.80 is: 104,603.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,462.02 : 192,457.62 = 75,799.80 : x
  2. Step 2: Convert to fraction form
    139,462.02/192,457.62 = 75,799.80/x
  3. Step 3: Cross multiply
    139,462.02x = 192,457.62 × 75,799.80
  4. Step 4: Simplify right side
    139,462.02x = 14,588,249,104.48
  5. Step 5: Solve for x
    x = 14,588,249,104.48/139,462.02
  6. Step 6: Final answer
    x = 104,603.74

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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.