Home / 156,742.04-216,157.74-120,874.52

Finding the Fourth Proportional to 156,742.04, 216,157.74 and 120,874.52

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Solution

The fourth proportional to 156,742.04, 216,157.74 and 120,874.52 is: 166,694.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,742.04 : 216,157.74 = 120,874.52 : x
  2. Step 2: Convert to fraction form
    156,742.04/216,157.74 = 120,874.52/x
  3. Step 3: Cross multiply
    156,742.04x = 216,157.74 × 120,874.52
  4. Step 4: Simplify right side
    156,742.04x = 26,127,963,066.78
  5. Step 5: Solve for x
    x = 26,127,963,066.78/156,742.04
  6. Step 6: Final answer
    x = 166,694.03

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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.