Home / 86,676.28-119,154.04-74,532.29

Finding the Fourth Proportional to 86,676.28, 119,154.04 and 74,532.29

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Solution

The fourth proportional to 86,676.28, 119,154.04 and 74,532.29 is: 102,459.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,676.28 : 119,154.04 = 74,532.29 : x
  2. Step 2: Convert to fraction form
    86,676.28/119,154.04 = 74,532.29/x
  3. Step 3: Cross multiply
    86,676.28x = 119,154.04 × 74,532.29
  4. Step 4: Simplify right side
    86,676.28x = 8,880,822,681.85
  5. Step 5: Solve for x
    x = 8,880,822,681.85/86,676.28
  6. Step 6: Final answer
    x = 102,459.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.