Home / 130,427.08-195,661.14-51,541.72

Finding the Fourth Proportional to 130,427.08, 195,661.14 and 51,541.72

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Solution

The fourth proportional to 130,427.08, 195,661.14 and 51,541.72 is: 77,320.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,427.08 : 195,661.14 = 51,541.72 : x
  2. Step 2: Convert to fraction form
    130,427.08/195,661.14 = 51,541.72/x
  3. Step 3: Cross multiply
    130,427.08x = 195,661.14 × 51,541.72
  4. Step 4: Simplify right side
    130,427.08x = 10,084,711,692.76
  5. Step 5: Solve for x
    x = 10,084,711,692.76/130,427.08
  6. Step 6: Final answer
    x = 77,320.69

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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.