Home / 111,271.86-153,554.13-60,972.66

Finding the Fourth Proportional to 111,271.86, 153,554.13 and 60,972.66

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Solution

The fourth proportional to 111,271.86, 153,554.13 and 60,972.66 is: 84,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,271.86 : 153,554.13 = 60,972.66 : x
  2. Step 2: Convert to fraction form
    111,271.86/153,554.13 = 60,972.66/x
  3. Step 3: Cross multiply
    111,271.86x = 153,554.13 × 60,972.66
  4. Step 4: Simplify right side
    111,271.86x = 9,362,603,760.09
  5. Step 5: Solve for x
    x = 9,362,603,760.09/111,271.86
  6. Step 6: Final answer
    x = 84,141.70

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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.