Home / 130,344.72-195,507.36-40,388.13

Finding the Fourth Proportional to 130,344.72, 195,507.36 and 40,388.13

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Solution

The fourth proportional to 130,344.72, 195,507.36 and 40,388.13 is: 60,579.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,344.72 : 195,507.36 = 40,388.13 : x
  2. Step 2: Convert to fraction form
    130,344.72/195,507.36 = 40,388.13/x
  3. Step 3: Cross multiply
    130,344.72x = 195,507.36 × 40,388.13
  4. Step 4: Simplify right side
    130,344.72x = 7,896,176,671.64
  5. Step 5: Solve for x
    x = 7,896,176,671.64/130,344.72
  6. Step 6: Final answer
    x = 60,579.18

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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.