Home / 130,230.60-195,410.70-51,347.40

Finding the Fourth Proportional to 130,230.60, 195,410.70 and 51,347.40

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Solution

The fourth proportional to 130,230.60, 195,410.70 and 51,347.40 is: 77,046.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,230.60 : 195,410.70 = 51,347.40 : x
  2. Step 2: Convert to fraction form
    130,230.60/195,410.70 = 51,347.40/x
  3. Step 3: Cross multiply
    130,230.60x = 195,410.70 × 51,347.40
  4. Step 4: Simplify right side
    130,230.60x = 10,033,831,377.18
  5. Step 5: Solve for x
    x = 10,033,831,377.18/130,230.60
  6. Step 6: Final answer
    x = 77,046.65

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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.