Home / 143,338.04-215,008.98-49,845.56

Finding the Fourth Proportional to 143,338.04, 215,008.98 and 49,845.56

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Solution

The fourth proportional to 143,338.04, 215,008.98 and 49,845.56 is: 74,769.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,338.04 : 215,008.98 = 49,845.56 : x
  2. Step 2: Convert to fraction form
    143,338.04/215,008.98 = 49,845.56/x
  3. Step 3: Cross multiply
    143,338.04x = 215,008.98 × 49,845.56
  4. Step 4: Simplify right side
    143,338.04x = 10,717,243,013.13
  5. Step 5: Solve for x
    x = 10,717,243,013.13/143,338.04
  6. Step 6: Final answer
    x = 74,769.01

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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.