Home / 134,570.12-185,715.06-74,954.12

Finding the Fourth Proportional to 134,570.12, 185,715.06 and 74,954.12

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Solution

The fourth proportional to 134,570.12, 185,715.06 and 74,954.12 is: 103,441.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,570.12 : 185,715.06 = 74,954.12 : x
  2. Step 2: Convert to fraction form
    134,570.12/185,715.06 = 74,954.12/x
  3. Step 3: Cross multiply
    134,570.12x = 185,715.06 × 74,954.12
  4. Step 4: Simplify right side
    134,570.12x = 13,920,108,893.05
  5. Step 5: Solve for x
    x = 13,920,108,893.05/134,570.12
  6. Step 6: Final answer
    x = 103,441.31

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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.