Home / 162,342.10-224,031.45-90,722.10

Finding the Fourth Proportional to 162,342.10, 224,031.45 and 90,722.10

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Solution

The fourth proportional to 162,342.10, 224,031.45 and 90,722.10 is: 125,196.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,342.10 : 224,031.45 = 90,722.10 : x
  2. Step 2: Convert to fraction form
    162,342.10/224,031.45 = 90,722.10/x
  3. Step 3: Cross multiply
    162,342.10x = 224,031.45 × 90,722.10
  4. Step 4: Simplify right side
    162,342.10x = 20,324,603,610.05
  5. Step 5: Solve for x
    x = 20,324,603,610.05/162,342.10
  6. Step 6: Final answer
    x = 125,196.14

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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.