Home / 130,368.80-195,553.20-51,442.40

Finding the Fourth Proportional to 130,368.80, 195,553.20 and 51,442.40

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Solution

The fourth proportional to 130,368.80, 195,553.20 and 51,442.40 is: 77,163.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,368.80 : 195,553.20 = 51,442.40 : x
  2. Step 2: Convert to fraction form
    130,368.80/195,553.20 = 51,442.40/x
  3. Step 3: Cross multiply
    130,368.80x = 195,553.20 × 51,442.40
  4. Step 4: Simplify right side
    130,368.80x = 10,059,725,935.68
  5. Step 5: Solve for x
    x = 10,059,725,935.68/130,368.80
  6. Step 6: Final answer
    x = 77,163.60

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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.