Home / 130,236.96-195,316.56-55,356.78

Finding the Fourth Proportional to 130,236.96, 195,316.56 and 55,356.78

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Solution

The fourth proportional to 130,236.96, 195,316.56 and 55,356.78 is: 83,018.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,236.96 : 195,316.56 = 55,356.78 : x
  2. Step 2: Convert to fraction form
    130,236.96/195,316.56 = 55,356.78/x
  3. Step 3: Cross multiply
    130,236.96x = 195,316.56 × 55,356.78
  4. Step 4: Simplify right side
    130,236.96x = 10,812,095,842.28
  5. Step 5: Solve for x
    x = 10,812,095,842.28/130,236.96
  6. Step 6: Final answer
    x = 83,018.64

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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.