Home / 156,271.35-215,655.50-84,651.38

Finding the Fourth Proportional to 156,271.35, 215,655.50 and 84,651.38

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Solution

The fourth proportional to 156,271.35, 215,655.50 and 84,651.38 is: 116,819.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,271.35 : 215,655.50 = 84,651.38 : x
  2. Step 2: Convert to fraction form
    156,271.35/215,655.50 = 84,651.38/x
  3. Step 3: Cross multiply
    156,271.35x = 215,655.50 × 84,651.38
  4. Step 4: Simplify right side
    156,271.35x = 18,255,534,178.06
  5. Step 5: Solve for x
    x = 18,255,534,178.06/156,271.35
  6. Step 6: Final answer
    x = 116,819.46

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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.