Home / 134,779.65-185,995.39-74,354.05

Finding the Fourth Proportional to 134,779.65, 185,995.39 and 74,354.05

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Solution

The fourth proportional to 134,779.65, 185,995.39 and 74,354.05 is: 102,608.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,779.65 : 185,995.39 = 74,354.05 : x
  2. Step 2: Convert to fraction form
    134,779.65/185,995.39 = 74,354.05/x
  3. Step 3: Cross multiply
    134,779.65x = 185,995.39 × 74,354.05
  4. Step 4: Simplify right side
    134,779.65x = 13,829,510,713.85
  5. Step 5: Solve for x
    x = 13,829,510,713.85/134,779.65
  6. Step 6: Final answer
    x = 102,608.30

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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.