Home / 134,812.72-186,058.02-77,451.94

Finding the Fourth Proportional to 134,812.72, 186,058.02 and 77,451.94

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Solution

The fourth proportional to 134,812.72, 186,058.02 and 77,451.94 is: 106,893.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,812.72 : 186,058.02 = 77,451.94 : x
  2. Step 2: Convert to fraction form
    134,812.72/186,058.02 = 77,451.94/x
  3. Step 3: Cross multiply
    134,812.72x = 186,058.02 × 77,451.94
  4. Step 4: Simplify right side
    134,812.72x = 14,410,554,601.56
  5. Step 5: Solve for x
    x = 14,410,554,601.56/134,812.72
  6. Step 6: Final answer
    x = 106,893.14

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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.