Home / 199,567.40-298,622.10-147,079.40

Finding the Fourth Proportional to 199,567.40, 298,622.10 and 147,079.40

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Solution

The fourth proportional to 199,567.40, 298,622.10 and 147,079.40 is: 220,081.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,567.40 : 298,622.10 = 147,079.40 : x
  2. Step 2: Convert to fraction form
    199,567.40/298,622.10 = 147,079.40/x
  3. Step 3: Cross multiply
    199,567.40x = 298,622.10 × 147,079.40
  4. Step 4: Simplify right side
    199,567.40x = 43,921,159,294.74
  5. Step 5: Solve for x
    x = 43,921,159,294.74/199,567.40
  6. Step 6: Final answer
    x = 220,081.83

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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.