Home / 124,911.01-172,372.83-71,213.32

Finding the Fourth Proportional to 124,911.01, 172,372.83 and 71,213.32

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Solution

The fourth proportional to 124,911.01, 172,372.83 and 71,213.32 is: 98,271.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,911.01 : 172,372.83 = 71,213.32 : x
  2. Step 2: Convert to fraction form
    124,911.01/172,372.83 = 71,213.32/x
  3. Step 3: Cross multiply
    124,911.01x = 172,372.83 × 71,213.32
  4. Step 4: Simplify right side
    124,911.01x = 12,275,241,502.10
  5. Step 5: Solve for x
    x = 12,275,241,502.10/124,911.01
  6. Step 6: Final answer
    x = 98,271.89

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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.