Home / 134,895.15-186,161.36-77,553.05

Finding the Fourth Proportional to 134,895.15, 186,161.36 and 77,553.05

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Solution

The fourth proportional to 134,895.15, 186,161.36 and 77,553.05 is: 107,026.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,895.15 : 186,161.36 = 77,553.05 : x
  2. Step 2: Convert to fraction form
    134,895.15/186,161.36 = 77,553.05/x
  3. Step 3: Cross multiply
    134,895.15x = 186,161.36 × 77,553.05
  4. Step 4: Simplify right side
    134,895.15x = 14,437,379,941.58
  5. Step 5: Solve for x
    x = 14,437,379,941.58/134,895.15
  6. Step 6: Final answer
    x = 107,026.68

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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.