Home / 111,301.80-153,595.62-61,000.68

Finding the Fourth Proportional to 111,301.80, 153,595.62 and 61,000.68

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Solution

The fourth proportional to 111,301.80, 153,595.62 and 61,000.68 is: 84,180.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,301.80 : 153,595.62 = 61,000.68 : x
  2. Step 2: Convert to fraction form
    111,301.80/153,595.62 = 61,000.68/x
  3. Step 3: Cross multiply
    111,301.80x = 153,595.62 × 61,000.68
  4. Step 4: Simplify right side
    111,301.80x = 9,369,437,265.02
  5. Step 5: Solve for x
    x = 9,369,437,265.02/111,301.80
  6. Step 6: Final answer
    x = 84,180.46

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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.