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Finding the Fourth Proportional to 142,658.01, 213,050.25 and 114,620.67

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Solution

The fourth proportional to 142,658.01, 213,050.25 and 114,620.67 is: 171,178.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,658.01 : 213,050.25 = 114,620.67 : x
  2. Step 2: Convert to fraction form
    142,658.01/213,050.25 = 114,620.67/x
  3. Step 3: Cross multiply
    142,658.01x = 213,050.25 × 114,620.67
  4. Step 4: Simplify right side
    142,658.01x = 24,419,962,398.67
  5. Step 5: Solve for x
    x = 24,419,962,398.67/142,658.01
  6. Step 6: Final answer
    x = 171,178.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.