Home / 130,533.16-195,864.78-51,704.20

Finding the Fourth Proportional to 130,533.16, 195,864.78 and 51,704.20

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Solution

The fourth proportional to 130,533.16, 195,864.78 and 51,704.20 is: 77,582.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,533.16 : 195,864.78 = 51,704.20 : x
  2. Step 2: Convert to fraction form
    130,533.16/195,864.78 = 51,704.20/x
  3. Step 3: Cross multiply
    130,533.16x = 195,864.78 × 51,704.20
  4. Step 4: Simplify right side
    130,533.16x = 10,127,031,758.08
  5. Step 5: Solve for x
    x = 10,127,031,758.08/130,533.16
  6. Step 6: Final answer
    x = 77,582.06

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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.