Home / 105,979.08-146,186.20-62,929.32

Finding the Fourth Proportional to 105,979.08, 146,186.20 and 62,929.32

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Solution

The fourth proportional to 105,979.08, 146,186.20 and 62,929.32 is: 86,803.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,979.08 : 146,186.20 = 62,929.32 : x
  2. Step 2: Convert to fraction form
    105,979.08/146,186.20 = 62,929.32/x
  3. Step 3: Cross multiply
    105,979.08x = 146,186.20 × 62,929.32
  4. Step 4: Simplify right side
    105,979.08x = 9,199,398,159.38
  5. Step 5: Solve for x
    x = 9,199,398,159.38/105,979.08
  6. Step 6: Final answer
    x = 86,803.91

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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.