Home / 111,832.48-154,325.28-61,531.20

Finding the Fourth Proportional to 111,832.48, 154,325.28 and 61,531.20

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Solution

The fourth proportional to 111,832.48, 154,325.28 and 61,531.20 is: 84,911.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,832.48 : 154,325.28 = 61,531.20 : x
  2. Step 2: Convert to fraction form
    111,832.48/154,325.28 = 61,531.20/x
  3. Step 3: Cross multiply
    111,832.48x = 154,325.28 × 61,531.20
  4. Step 4: Simplify right side
    111,832.48x = 9,495,819,668.74
  5. Step 5: Solve for x
    x = 9,495,819,668.74/111,832.48
  6. Step 6: Final answer
    x = 84,911.11

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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.