Home / 149,638.44-224,457.78-87,265.20

Finding the Fourth Proportional to 149,638.44, 224,457.78 and 87,265.20

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Solution

The fourth proportional to 149,638.44, 224,457.78 and 87,265.20 is: 130,897.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,638.44 : 224,457.78 = 87,265.20 : x
  2. Step 2: Convert to fraction form
    149,638.44/224,457.78 = 87,265.20/x
  3. Step 3: Cross multiply
    149,638.44x = 224,457.78 × 87,265.20
  4. Step 4: Simplify right side
    149,638.44x = 19,587,353,063.26
  5. Step 5: Solve for x
    x = 19,587,353,063.26/149,638.44
  6. Step 6: Final answer
    x = 130,897.87

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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.