Home / 156,001.80-215,087.26-130,197.60

Finding the Fourth Proportional to 156,001.80, 215,087.26 and 130,197.60

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Solution

The fourth proportional to 156,001.80, 215,087.26 and 130,197.60 is: 179,509.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,001.80 : 215,087.26 = 130,197.60 : x
  2. Step 2: Convert to fraction form
    156,001.80/215,087.26 = 130,197.60/x
  3. Step 3: Cross multiply
    156,001.80x = 215,087.26 × 130,197.60
  4. Step 4: Simplify right side
    156,001.80x = 28,003,843,967.14
  5. Step 5: Solve for x
    x = 28,003,843,967.14/156,001.80
  6. Step 6: Final answer
    x = 179,509.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.