Home / 134,429.09-185,490.41-77,057.87

Finding the Fourth Proportional to 134,429.09, 185,490.41 and 77,057.87

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Solution

The fourth proportional to 134,429.09, 185,490.41 and 77,057.87 is: 106,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,429.09 : 185,490.41 = 77,057.87 : x
  2. Step 2: Convert to fraction form
    134,429.09/185,490.41 = 77,057.87/x
  3. Step 3: Cross multiply
    134,429.09x = 185,490.41 × 77,057.87
  4. Step 4: Simplify right side
    134,429.09x = 14,293,494,587.29
  5. Step 5: Solve for x
    x = 14,293,494,587.29/134,429.09
  6. Step 6: Final answer
    x = 106,327.40

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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.