Home / 133,126.42-183,707.33-77,952.51

Finding the Fourth Proportional to 133,126.42, 183,707.33 and 77,952.51

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Solution

The fourth proportional to 133,126.42, 183,707.33 and 77,952.51 is: 107,570.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,126.42 : 183,707.33 = 77,952.51 : x
  2. Step 2: Convert to fraction form
    133,126.42/183,707.33 = 77,952.51/x
  3. Step 3: Cross multiply
    133,126.42x = 183,707.33 × 77,952.51
  4. Step 4: Simplify right side
    133,126.42x = 14,320,447,478.90
  5. Step 5: Solve for x
    x = 14,320,447,478.90/133,126.42
  6. Step 6: Final answer
    x = 107,570.29

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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.