Home / 130,434.44-195,679.72-40,475.28

Finding the Fourth Proportional to 130,434.44, 195,679.72 and 40,475.28

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Solution

The fourth proportional to 130,434.44, 195,679.72 and 40,475.28 is: 60,721.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,434.44 : 195,679.72 = 40,475.28 : x
  2. Step 2: Convert to fraction form
    130,434.44/195,679.72 = 40,475.28/x
  3. Step 3: Cross multiply
    130,434.44x = 195,679.72 × 40,475.28
  4. Step 4: Simplify right side
    130,434.44x = 7,920,191,457.32
  5. Step 5: Solve for x
    x = 7,920,191,457.32/130,434.44
  6. Step 6: Final answer
    x = 60,721.63

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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.