Home / 152,956.04-211,082.10-85,890.44

Finding the Fourth Proportional to 152,956.04, 211,082.10 and 85,890.44

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Solution

The fourth proportional to 152,956.04, 211,082.10 and 85,890.44 is: 118,530.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,956.04 : 211,082.10 = 85,890.44 : x
  2. Step 2: Convert to fraction form
    152,956.04/211,082.10 = 85,890.44/x
  3. Step 3: Cross multiply
    152,956.04x = 211,082.10 × 85,890.44
  4. Step 4: Simplify right side
    152,956.04x = 18,129,934,445.12
  5. Step 5: Solve for x
    x = 18,129,934,445.12/152,956.04
  6. Step 6: Final answer
    x = 118,530.36

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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.