Home / 130,339.79-195,530.77-40,361.35

Finding the Fourth Proportional to 130,339.79, 195,530.77 and 40,361.35

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Solution

The fourth proportional to 130,339.79, 195,530.77 and 40,361.35 is: 60,548.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,339.79 : 195,530.77 = 40,361.35 : x
  2. Step 2: Convert to fraction form
    130,339.79/195,530.77 = 40,361.35/x
  3. Step 3: Cross multiply
    130,339.79x = 195,530.77 × 40,361.35
  4. Step 4: Simplify right side
    130,339.79x = 7,891,885,254.01
  5. Step 5: Solve for x
    x = 7,891,885,254.01/130,339.79
  6. Step 6: Final answer
    x = 60,548.55

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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.