Home / 144,828.28-199,870.92-81,186.52

Finding the Fourth Proportional to 144,828.28, 199,870.92 and 81,186.52

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Solution

The fourth proportional to 144,828.28, 199,870.92 and 81,186.52 is: 112,041.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,828.28 : 199,870.92 = 81,186.52 : x
  2. Step 2: Convert to fraction form
    144,828.28/199,870.92 = 81,186.52/x
  3. Step 3: Cross multiply
    144,828.28x = 199,870.92 × 81,186.52
  4. Step 4: Simplify right side
    144,828.28x = 16,226,824,444.00
  5. Step 5: Solve for x
    x = 16,226,824,444.00/144,828.28
  6. Step 6: Final answer
    x = 112,041.82

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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.