Home / 131,677.45-197,522.55-42,930.81

Finding the Fourth Proportional to 131,677.45, 197,522.55 and 42,930.81

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Solution

The fourth proportional to 131,677.45, 197,522.55 and 42,930.81 is: 64,398.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,677.45 : 197,522.55 = 42,930.81 : x
  2. Step 2: Convert to fraction form
    131,677.45/197,522.55 = 42,930.81/x
  3. Step 3: Cross multiply
    131,677.45x = 197,522.55 × 42,930.81
  4. Step 4: Simplify right side
    131,677.45x = 8,479,803,064.77
  5. Step 5: Solve for x
    x = 8,479,803,064.77/131,677.45
  6. Step 6: Final answer
    x = 64,398.29

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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.