Home / 135,348.54-186,715.23-89,426.20

Finding the Fourth Proportional to 135,348.54, 186,715.23 and 89,426.20

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Solution

The fourth proportional to 135,348.54, 186,715.23 and 89,426.20 is: 123,364.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,348.54 : 186,715.23 = 89,426.20 : x
  2. Step 2: Convert to fraction form
    135,348.54/186,715.23 = 89,426.20/x
  3. Step 3: Cross multiply
    135,348.54x = 186,715.23 × 89,426.20
  4. Step 4: Simplify right side
    135,348.54x = 16,697,233,501.03
  5. Step 5: Solve for x
    x = 16,697,233,501.03/135,348.54
  6. Step 6: Final answer
    x = 123,364.71

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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.