Home / 249,226.70-373,898.97-80,746.75

Finding the Fourth Proportional to 249,226.70, 373,898.97 and 80,746.75

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Solution

The fourth proportional to 249,226.70, 373,898.97 and 80,746.75 is: 121,139.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,226.70 : 373,898.97 = 80,746.75 : x
  2. Step 2: Convert to fraction form
    249,226.70/373,898.97 = 80,746.75/x
  3. Step 3: Cross multiply
    249,226.70x = 373,898.97 × 80,746.75
  4. Step 4: Simplify right side
    249,226.70x = 30,191,125,721.10
  5. Step 5: Solve for x
    x = 30,191,125,721.10/249,226.70
  6. Step 6: Final answer
    x = 121,139.21

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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.