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Finding the Fourth Proportional to 158,604.40, 237,904.98 and 53,422.66

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Solution

The fourth proportional to 158,604.40, 237,904.98 and 53,422.66 is: 80,133.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,604.40 : 237,904.98 = 53,422.66 : x
  2. Step 2: Convert to fraction form
    158,604.40/237,904.98 = 53,422.66/x
  3. Step 3: Cross multiply
    158,604.40x = 237,904.98 × 53,422.66
  4. Step 4: Simplify right side
    158,604.40x = 12,709,516,858.85
  5. Step 5: Solve for x
    x = 12,709,516,858.85/158,604.40
  6. Step 6: Final answer
    x = 80,133.44

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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.