Home / 135,965.39-203,895.63-51,681.24

Finding the Fourth Proportional to 135,965.39, 203,895.63 and 51,681.24

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Solution

The fourth proportional to 135,965.39, 203,895.63 and 51,681.24 is: 77,501.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,965.39 : 203,895.63 = 51,681.24 : x
  2. Step 2: Convert to fraction form
    135,965.39/203,895.63 = 51,681.24/x
  3. Step 3: Cross multiply
    135,965.39x = 203,895.63 × 51,681.24
  4. Step 4: Simplify right side
    135,965.39x = 10,537,578,988.98
  5. Step 5: Solve for x
    x = 10,537,578,988.98/135,965.39
  6. Step 6: Final answer
    x = 77,501.92

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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.