Home / 156,129.20-215,465.91-95,703.20

Finding the Fourth Proportional to 156,129.20, 215,465.91 and 95,703.20

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Solution

The fourth proportional to 156,129.20, 215,465.91 and 95,703.20 is: 132,075.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,129.20 : 215,465.91 = 95,703.20 : x
  2. Step 2: Convert to fraction form
    156,129.20/215,465.91 = 95,703.20/x
  3. Step 3: Cross multiply
    156,129.20x = 215,465.91 × 95,703.20
  4. Step 4: Simplify right side
    156,129.20x = 20,620,777,077.91
  5. Step 5: Solve for x
    x = 20,620,777,077.91/156,129.20
  6. Step 6: Final answer
    x = 132,075.08

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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.