Home / 190,988.26-286,531.08-89,766.71

Finding the Fourth Proportional to 190,988.26, 286,531.08 and 89,766.71

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Solution

The fourth proportional to 190,988.26, 286,531.08 and 89,766.71 is: 134,672.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,988.26 : 286,531.08 = 89,766.71 : x
  2. Step 2: Convert to fraction form
    190,988.26/286,531.08 = 89,766.71/x
  3. Step 3: Cross multiply
    190,988.26x = 286,531.08 × 89,766.71
  4. Step 4: Simplify right side
    190,988.26x = 25,720,952,364.35
  5. Step 5: Solve for x
    x = 25,720,952,364.35/190,988.26
  6. Step 6: Final answer
    x = 134,672.95

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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.