Home / 79,167.23-109,250.94-42,869.07

Finding the Fourth Proportional to 79,167.23, 109,250.94 and 42,869.07

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Solution

The fourth proportional to 79,167.23, 109,250.94 and 42,869.07 is: 59,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,167.23 : 109,250.94 = 42,869.07 : x
  2. Step 2: Convert to fraction form
    79,167.23/109,250.94 = 42,869.07/x
  3. Step 3: Cross multiply
    79,167.23x = 109,250.94 × 42,869.07
  4. Step 4: Simplify right side
    79,167.23x = 4,683,486,194.43
  5. Step 5: Solve for x
    x = 4,683,486,194.43/79,167.23
  6. Step 6: Final answer
    x = 59,159.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.