Home / 130,762.52-195,971.62-51,833.72

Finding the Fourth Proportional to 130,762.52, 195,971.62 and 51,833.72

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Solution

The fourth proportional to 130,762.52, 195,971.62 and 51,833.72 is: 77,682.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,762.52 : 195,971.62 = 51,833.72 : x
  2. Step 2: Convert to fraction form
    130,762.52/195,971.62 = 51,833.72/x
  3. Step 3: Cross multiply
    130,762.52x = 195,971.62 × 51,833.72
  4. Step 4: Simplify right side
    130,762.52x = 10,157,938,079.03
  5. Step 5: Solve for x
    x = 10,157,938,079.03/130,762.52
  6. Step 6: Final answer
    x = 77,682.34

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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.