Home / 162,396.19-224,102.78-90,784.63

Finding the Fourth Proportional to 162,396.19, 224,102.78 and 90,784.63

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Solution

The fourth proportional to 162,396.19, 224,102.78 and 90,784.63 is: 125,280.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,396.19 : 224,102.78 = 90,784.63 : x
  2. Step 2: Convert to fraction form
    162,396.19/224,102.78 = 90,784.63/x
  3. Step 3: Cross multiply
    162,396.19x = 224,102.78 × 90,784.63
  4. Step 4: Simplify right side
    162,396.19x = 20,345,086,843.76
  5. Step 5: Solve for x
    x = 20,345,086,843.76/162,396.19
  6. Step 6: Final answer
    x = 125,280.57

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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.