Home / 162,425.48-224,147.66-90,805.50

Finding the Fourth Proportional to 162,425.48, 224,147.66 and 90,805.50

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Solution

The fourth proportional to 162,425.48, 224,147.66 and 90,805.50 is: 125,311.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,425.48 : 224,147.66 = 90,805.50 : x
  2. Step 2: Convert to fraction form
    162,425.48/224,147.66 = 90,805.50/x
  3. Step 3: Cross multiply
    162,425.48x = 224,147.66 × 90,805.50
  4. Step 4: Simplify right side
    162,425.48x = 20,353,839,886.10
  5. Step 5: Solve for x
    x = 20,353,839,886.10/162,425.48
  6. Step 6: Final answer
    x = 125,311.87

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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.