Home / 153,092.10-229,638.15-69,986.10

Finding the Fourth Proportional to 153,092.10, 229,638.15 and 69,986.10

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Solution

The fourth proportional to 153,092.10, 229,638.15 and 69,986.10 is: 104,979.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,092.10 : 229,638.15 = 69,986.10 : x
  2. Step 2: Convert to fraction form
    153,092.10/229,638.15 = 69,986.10/x
  3. Step 3: Cross multiply
    153,092.10x = 229,638.15 × 69,986.10
  4. Step 4: Simplify right side
    153,092.10x = 16,071,478,529.72
  5. Step 5: Solve for x
    x = 16,071,478,529.72/153,092.10
  6. Step 6: Final answer
    x = 104,979.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.