Home / 134,460.64-185,566.40-77,105.22

Finding the Fourth Proportional to 134,460.64, 185,566.40 and 77,105.22

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Solution

The fourth proportional to 134,460.64, 185,566.40 and 77,105.22 is: 106,411.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,460.64 : 185,566.40 = 77,105.22 : x
  2. Step 2: Convert to fraction form
    134,460.64/185,566.40 = 77,105.22/x
  3. Step 3: Cross multiply
    134,460.64x = 185,566.40 × 77,105.22
  4. Step 4: Simplify right side
    134,460.64x = 14,308,137,304.35
  5. Step 5: Solve for x
    x = 14,308,137,304.35/134,460.64
  6. Step 6: Final answer
    x = 106,411.34

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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.