Home / 144,027.28-216,193.08-80,901.36

Finding the Fourth Proportional to 144,027.28, 216,193.08 and 80,901.36

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Solution

The fourth proportional to 144,027.28, 216,193.08 and 80,901.36 is: 121,437.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,027.28 : 216,193.08 = 80,901.36 : x
  2. Step 2: Convert to fraction form
    144,027.28/216,193.08 = 80,901.36/x
  3. Step 3: Cross multiply
    144,027.28x = 216,193.08 × 80,901.36
  4. Step 4: Simplify right side
    144,027.28x = 17,490,314,194.59
  5. Step 5: Solve for x
    x = 17,490,314,194.59/144,027.28
  6. Step 6: Final answer
    x = 121,437.51

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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.