Home / 131,690.88-197,567.73-42,944.49

Finding the Fourth Proportional to 131,690.88, 197,567.73 and 42,944.49

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Solution

The fourth proportional to 131,690.88, 197,567.73 and 42,944.49 is: 64,426.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,690.88 : 197,567.73 = 42,944.49 : x
  2. Step 2: Convert to fraction form
    131,690.88/197,567.73 = 42,944.49/x
  3. Step 3: Cross multiply
    131,690.88x = 197,567.73 × 42,944.49
  4. Step 4: Simplify right side
    131,690.88x = 8,484,445,405.31
  5. Step 5: Solve for x
    x = 8,484,445,405.31/131,690.88
  6. Step 6: Final answer
    x = 64,426.98

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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.