Home / 139,328.01-192,274.07-75,667.05

Finding the Fourth Proportional to 139,328.01, 192,274.07 and 75,667.05

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Solution

The fourth proportional to 139,328.01, 192,274.07 and 75,667.05 is: 104,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,328.01 : 192,274.07 = 75,667.05 : x
  2. Step 2: Convert to fraction form
    139,328.01/192,274.07 = 75,667.05/x
  3. Step 3: Cross multiply
    139,328.01x = 192,274.07 × 75,667.05
  4. Step 4: Simplify right side
    139,328.01x = 14,548,811,290.06
  5. Step 5: Solve for x
    x = 14,548,811,290.06/139,328.01
  6. Step 6: Final answer
    x = 104,421.30

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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.