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Finding the Fourth Proportional to 162,578.01, 224,366.37 and 90,953.76

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Solution

The fourth proportional to 162,578.01, 224,366.37 and 90,953.76 is: 125,521.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,578.01 : 224,366.37 = 90,953.76 : x
  2. Step 2: Convert to fraction form
    162,578.01/224,366.37 = 90,953.76/x
  3. Step 3: Cross multiply
    162,578.01x = 224,366.37 × 90,953.76
  4. Step 4: Simplify right side
    162,578.01x = 20,406,964,969.05
  5. Step 5: Solve for x
    x = 20,406,964,969.05/162,578.01
  6. Step 6: Final answer
    x = 125,521.07

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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.