Home / 134,471.04-185,554.08-77,871.36

Finding the Fourth Proportional to 134,471.04, 185,554.08 and 77,871.36

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Solution

The fourth proportional to 134,471.04, 185,554.08 and 77,871.36 is: 107,453.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,471.04 : 185,554.08 = 77,871.36 : x
  2. Step 2: Convert to fraction form
    134,471.04/185,554.08 = 77,871.36/x
  3. Step 3: Cross multiply
    134,471.04x = 185,554.08 × 77,871.36
  4. Step 4: Simplify right side
    134,471.04x = 14,449,348,563.15
  5. Step 5: Solve for x
    x = 14,449,348,563.15/134,471.04
  6. Step 6: Final answer
    x = 107,453.24

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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.