Home / 249,639.68-374,128.32-109,245.44

Finding the Fourth Proportional to 249,639.68, 374,128.32 and 109,245.44

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Solution

The fourth proportional to 249,639.68, 374,128.32 and 109,245.44 is: 163,723.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,639.68 : 374,128.32 = 109,245.44 : x
  2. Step 2: Convert to fraction form
    249,639.68/374,128.32 = 109,245.44/x
  3. Step 3: Cross multiply
    249,639.68x = 374,128.32 × 109,245.44
  4. Step 4: Simplify right side
    249,639.68x = 40,871,812,934.86
  5. Step 5: Solve for x
    x = 40,871,812,934.86/249,639.68
  6. Step 6: Final answer
    x = 163,723.22

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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.