Home / 102,186.72-153,058.54-49,485.69

Finding the Fourth Proportional to 102,186.72, 153,058.54 and 49,485.69

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Solution

The fourth proportional to 102,186.72, 153,058.54 and 49,485.69 is: 74,121.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,186.72 : 153,058.54 = 49,485.69 : x
  2. Step 2: Convert to fraction form
    102,186.72/153,058.54 = 49,485.69/x
  3. Step 3: Cross multiply
    102,186.72x = 153,058.54 × 49,485.69
  4. Step 4: Simplify right side
    102,186.72x = 7,574,207,462.29
  5. Step 5: Solve for x
    x = 7,574,207,462.29/102,186.72
  6. Step 6: Final answer
    x = 74,121.25

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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.