Home / 144,160.81-199,035.53-129,027.23

Finding the Fourth Proportional to 144,160.81, 199,035.53 and 129,027.23

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Solution

The fourth proportional to 144,160.81, 199,035.53 and 129,027.23 is: 178,141.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,160.81 : 199,035.53 = 129,027.23 : x
  2. Step 2: Convert to fraction form
    144,160.81/199,035.53 = 129,027.23/x
  3. Step 3: Cross multiply
    144,160.81x = 199,035.53 × 129,027.23
  4. Step 4: Simplify right side
    144,160.81x = 25,681,002,697.40
  5. Step 5: Solve for x
    x = 25,681,002,697.40/144,160.81
  6. Step 6: Final answer
    x = 178,141.36

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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.