Home / 130,319.52-195,481.40-51,433.08

Finding the Fourth Proportional to 130,319.52, 195,481.40 and 51,433.08

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Solution

The fourth proportional to 130,319.52, 195,481.40 and 51,433.08 is: 77,150.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,319.52 : 195,481.40 = 51,433.08 : x
  2. Step 2: Convert to fraction form
    130,319.52/195,481.40 = 51,433.08/x
  3. Step 3: Cross multiply
    130,319.52x = 195,481.40 × 51,433.08
  4. Step 4: Simplify right side
    130,319.52x = 10,054,210,484.71
  5. Step 5: Solve for x
    x = 10,054,210,484.71/130,319.52
  6. Step 6: Final answer
    x = 77,150.46

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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.