Home / 131,441.40-197,143.58-42,695.98

Finding the Fourth Proportional to 131,441.40, 197,143.58 and 42,695.98

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Solution

The fourth proportional to 131,441.40, 197,143.58 and 42,695.98 is: 64,037.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,441.40 : 197,143.58 = 42,695.98 : x
  2. Step 2: Convert to fraction form
    131,441.40/197,143.58 = 42,695.98/x
  3. Step 3: Cross multiply
    131,441.40x = 197,143.58 × 42,695.98
  4. Step 4: Simplify right side
    131,441.40x = 8,417,238,348.81
  5. Step 5: Solve for x
    x = 8,417,238,348.81/131,441.40
  6. Step 6: Final answer
    x = 64,037.95

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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.