Home / 153,047.72-211,195.62-85,060.28

Finding the Fourth Proportional to 153,047.72, 211,195.62 and 85,060.28

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Solution

The fourth proportional to 153,047.72, 211,195.62 and 85,060.28 is: 117,377.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,047.72 : 211,195.62 = 85,060.28 : x
  2. Step 2: Convert to fraction form
    153,047.72/211,195.62 = 85,060.28/x
  3. Step 3: Cross multiply
    153,047.72x = 211,195.62 × 85,060.28
  4. Step 4: Simplify right side
    153,047.72x = 17,964,357,516.00
  5. Step 5: Solve for x
    x = 17,964,357,516.00/153,047.72
  6. Step 6: Final answer
    x = 117,377.50

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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.