Home / 131,646.84-197,432.54-42,908.10

Finding the Fourth Proportional to 131,646.84, 197,432.54 and 42,908.10

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Solution

The fourth proportional to 131,646.84, 197,432.54 and 42,908.10 is: 64,349.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,646.84 : 197,432.54 = 42,908.10 : x
  2. Step 2: Convert to fraction form
    131,646.84/197,432.54 = 42,908.10/x
  3. Step 3: Cross multiply
    131,646.84x = 197,432.54 × 42,908.10
  4. Step 4: Simplify right side
    131,646.84x = 8,471,455,169.57
  5. Step 5: Solve for x
    x = 8,471,455,169.57/131,646.84
  6. Step 6: Final answer
    x = 64,349.86

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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.