Home / 144,699.04-199,687.43-81,036.69

Finding the Fourth Proportional to 144,699.04, 199,687.43 and 81,036.69

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Solution

The fourth proportional to 144,699.04, 199,687.43 and 81,036.69 is: 111,832.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,699.04 : 199,687.43 = 81,036.69 : x
  2. Step 2: Convert to fraction form
    144,699.04/199,687.43 = 81,036.69/x
  3. Step 3: Cross multiply
    144,699.04x = 199,687.43 × 81,036.69
  4. Step 4: Simplify right side
    144,699.04x = 16,182,007,359.74
  5. Step 5: Solve for x
    x = 16,182,007,359.74/144,699.04
  6. Step 6: Final answer
    x = 111,832.17

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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.