Home / 131,614.05-197,400.42-42,866.81

Finding the Fourth Proportional to 131,614.05, 197,400.42 and 42,866.81

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Solution

The fourth proportional to 131,614.05, 197,400.42 and 42,866.81 is: 64,293.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,614.05 : 197,400.42 = 42,866.81 : x
  2. Step 2: Convert to fraction form
    131,614.05/197,400.42 = 42,866.81/x
  3. Step 3: Cross multiply
    131,614.05x = 197,400.42 × 42,866.81
  4. Step 4: Simplify right side
    131,614.05x = 8,461,926,298.06
  5. Step 5: Solve for x
    x = 8,461,926,298.06/131,614.05
  6. Step 6: Final answer
    x = 64,293.49

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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.