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Finding the Fourth Proportional to 164,073.32, 226,421.32 and 88,621.82

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Solution

The fourth proportional to 164,073.32, 226,421.32 and 88,621.82 is: 122,298.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,073.32 : 226,421.32 = 88,621.82 : x
  2. Step 2: Convert to fraction form
    164,073.32/226,421.32 = 88,621.82/x
  3. Step 3: Cross multiply
    164,073.32x = 226,421.32 × 88,621.82
  4. Step 4: Simplify right side
    164,073.32x = 20,065,869,465.20
  5. Step 5: Solve for x
    x = 20,065,869,465.20/164,073.32
  6. Step 6: Final answer
    x = 122,298.19

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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.