Home / 139,904.20-209,779.35-95,581

Finding the Fourth Proportional to 139,904.20, 209,779.35 and 95,581

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Solution

The fourth proportional to 139,904.20, 209,779.35 and 95,581 is: 143,318.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,904.20 : 209,779.35 = 95,581 : x
  2. Step 2: Convert to fraction form
    139,904.20/209,779.35 = 95,581/x
  3. Step 3: Cross multiply
    139,904.20x = 209,779.35 × 95,581
  4. Step 4: Simplify right side
    139,904.20x = 20,050,920,052.35
  5. Step 5: Solve for x
    x = 20,050,920,052.35/139,904.20
  6. Step 6: Final answer
    x = 143,318.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.