Home / 130,255.63-195,032.14-85,165.16

Finding the Fourth Proportional to 130,255.63, 195,032.14 and 85,165.16

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Solution

The fourth proportional to 130,255.63, 195,032.14 and 85,165.16 is: 127,518.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,255.63 : 195,032.14 = 85,165.16 : x
  2. Step 2: Convert to fraction form
    130,255.63/195,032.14 = 85,165.16/x
  3. Step 3: Cross multiply
    130,255.63x = 195,032.14 × 85,165.16
  4. Step 4: Simplify right side
    130,255.63x = 16,609,942,220.17
  5. Step 5: Solve for x
    x = 16,609,942,220.17/130,255.63
  6. Step 6: Final answer
    x = 127,518.04

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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.