Home / 249,567.88-374,139.66-109,221.64

Finding the Fourth Proportional to 249,567.88, 374,139.66 and 109,221.64

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Solution

The fourth proportional to 249,567.88, 374,139.66 and 109,221.64 is: 163,739.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,567.88 : 374,139.66 = 109,221.64 : x
  2. Step 2: Convert to fraction form
    249,567.88/374,139.66 = 109,221.64/x
  3. Step 3: Cross multiply
    249,567.88x = 374,139.66 × 109,221.64
  4. Step 4: Simplify right side
    249,567.88x = 40,864,147,254.24
  5. Step 5: Solve for x
    x = 40,864,147,254.24/249,567.88
  6. Step 6: Final answer
    x = 163,739.61

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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.