Home / 130,965.27-196,484.16-52,134.84

Finding the Fourth Proportional to 130,965.27, 196,484.16 and 52,134.84

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Solution

The fourth proportional to 130,965.27, 196,484.16 and 52,134.84 is: 78,216.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,965.27 : 196,484.16 = 52,134.84 : x
  2. Step 2: Convert to fraction form
    130,965.27/196,484.16 = 52,134.84/x
  3. Step 3: Cross multiply
    130,965.27x = 196,484.16 × 52,134.84
  4. Step 4: Simplify right side
    130,965.27x = 10,243,670,244.13
  5. Step 5: Solve for x
    x = 10,243,670,244.13/130,965.27
  6. Step 6: Final answer
    x = 78,216.69

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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.