Home / 249,169.89-373,814.34-80,690.43

Finding the Fourth Proportional to 249,169.89, 373,814.34 and 80,690.43

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Solution

The fourth proportional to 249,169.89, 373,814.34 and 80,690.43 is: 121,054.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,169.89 : 373,814.34 = 80,690.43 : x
  2. Step 2: Convert to fraction form
    249,169.89/373,814.34 = 80,690.43/x
  3. Step 3: Cross multiply
    249,169.89x = 373,814.34 × 80,690.43
  4. Step 4: Simplify right side
    249,169.89x = 30,163,239,834.77
  5. Step 5: Solve for x
    x = 30,163,239,834.77/249,169.89
  6. Step 6: Final answer
    x = 121,054.91

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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.