Home / 89,916.40-134,769.57-67,658.23

Finding the Fourth Proportional to 89,916.40, 134,769.57 and 67,658.23

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Solution

The fourth proportional to 89,916.40, 134,769.57 and 67,658.23 is: 101,408.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,916.40 : 134,769.57 = 67,658.23 : x
  2. Step 2: Convert to fraction form
    89,916.40/134,769.57 = 67,658.23/x
  3. Step 3: Cross multiply
    89,916.40x = 134,769.57 × 67,658.23
  4. Step 4: Simplify right side
    89,916.40x = 9,118,270,564.06
  5. Step 5: Solve for x
    x = 9,118,270,564.06/89,916.40
  6. Step 6: Final answer
    x = 101,408.31

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1.5x scale

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.