Home / 249,565.38-374,135.91-109,219.14

Finding the Fourth Proportional to 249,565.38, 374,135.91 and 109,219.14

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Solution

The fourth proportional to 249,565.38, 374,135.91 and 109,219.14 is: 163,735.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,565.38 : 374,135.91 = 109,219.14 : x
  2. Step 2: Convert to fraction form
    249,565.38/374,135.91 = 109,219.14/x
  3. Step 3: Cross multiply
    249,565.38x = 374,135.91 × 109,219.14
  4. Step 4: Simplify right side
    249,565.38x = 40,862,802,333.32
  5. Step 5: Solve for x
    x = 40,862,802,333.32/249,565.38
  6. Step 6: Final answer
    x = 163,735.86

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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.