Home / 139,647.03-192,717.01-75,988.93

Finding the Fourth Proportional to 139,647.03, 192,717.01 and 75,988.93

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Solution

The fourth proportional to 139,647.03, 192,717.01 and 75,988.93 is: 104,866.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,647.03 : 192,717.01 = 75,988.93 : x
  2. Step 2: Convert to fraction form
    139,647.03/192,717.01 = 75,988.93/x
  3. Step 3: Cross multiply
    139,647.03x = 192,717.01 × 75,988.93
  4. Step 4: Simplify right side
    139,647.03x = 14,644,359,002.75
  5. Step 5: Solve for x
    x = 14,644,359,002.75/139,647.03
  6. Step 6: Final answer
    x = 104,866.96

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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.