Home / 134,779.06-185,995.11-74,349.85

Finding the Fourth Proportional to 134,779.06, 185,995.11 and 74,349.85

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Solution

The fourth proportional to 134,779.06, 185,995.11 and 74,349.85 is: 102,602.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,779.06 : 185,995.11 = 74,349.85 : x
  2. Step 2: Convert to fraction form
    134,779.06/185,995.11 = 74,349.85/x
  3. Step 3: Cross multiply
    134,779.06x = 185,995.11 × 74,349.85
  4. Step 4: Simplify right side
    134,779.06x = 13,828,708,482.69
  5. Step 5: Solve for x
    x = 13,828,708,482.69/134,779.06
  6. Step 6: Final answer
    x = 102,602.79

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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.