Home / 109,337.64-164,010.78-30,458.76

Finding the Fourth Proportional to 109,337.64, 164,010.78 and 30,458.76

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Solution

The fourth proportional to 109,337.64, 164,010.78 and 30,458.76 is: 45,689.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,337.64 : 164,010.78 = 30,458.76 : x
  2. Step 2: Convert to fraction form
    109,337.64/164,010.78 = 30,458.76/x
  3. Step 3: Cross multiply
    109,337.64x = 164,010.78 × 30,458.76
  4. Step 4: Simplify right side
    109,337.64x = 4,995,564,985.43
  5. Step 5: Solve for x
    x = 4,995,564,985.43/109,337.64
  6. Step 6: Final answer
    x = 45,689.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.