Home / 249,315.80-374,103.30-109,088.60

Finding the Fourth Proportional to 249,315.80, 374,103.30 and 109,088.60

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Solution

The fourth proportional to 249,315.80, 374,103.30 and 109,088.60 is: 163,689.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,315.80 : 374,103.30 = 109,088.60 : x
  2. Step 2: Convert to fraction form
    249,315.80/374,103.30 = 109,088.60/x
  3. Step 3: Cross multiply
    249,315.80x = 374,103.30 × 109,088.60
  4. Step 4: Simplify right side
    249,315.80x = 40,810,405,252.38
  5. Step 5: Solve for x
    x = 40,810,405,252.38/249,315.80
  6. Step 6: Final answer
    x = 163,689.61

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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.