Home / 134,377.13-185,448.11-77,026.01

Finding the Fourth Proportional to 134,377.13, 185,448.11 and 77,026.01

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Solution

The fourth proportional to 134,377.13, 185,448.11 and 77,026.01 is: 106,300.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,377.13 : 185,448.11 = 77,026.01 : x
  2. Step 2: Convert to fraction form
    134,377.13/185,448.11 = 77,026.01/x
  3. Step 3: Cross multiply
    134,377.13x = 185,448.11 × 77,026.01
  4. Step 4: Simplify right side
    134,377.13x = 14,284,326,662.97
  5. Step 5: Solve for x
    x = 14,284,326,662.97/134,377.13
  6. Step 6: Final answer
    x = 106,300.28

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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.