Home / 139,614.36-209,255.09-97,265.13

Finding the Fourth Proportional to 139,614.36, 209,255.09 and 97,265.13

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Solution

The fourth proportional to 139,614.36, 209,255.09 and 97,265.13 is: 145,781.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,614.36 : 209,255.09 = 97,265.13 : x
  2. Step 2: Convert to fraction form
    139,614.36/209,255.09 = 97,265.13/x
  3. Step 3: Cross multiply
    139,614.36x = 209,255.09 × 97,265.13
  4. Step 4: Simplify right side
    139,614.36x = 20,353,223,045.69
  5. Step 5: Solve for x
    x = 20,353,223,045.69/139,614.36
  6. Step 6: Final answer
    x = 145,781.73

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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.