Home / 102,929.96-142,078.38-60,501.08

Finding the Fourth Proportional to 102,929.96, 142,078.38 and 60,501.08

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Solution

The fourth proportional to 102,929.96, 142,078.38 and 60,501.08 is: 83,512.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,929.96 : 142,078.38 = 60,501.08 : x
  2. Step 2: Convert to fraction form
    102,929.96/142,078.38 = 60,501.08/x
  3. Step 3: Cross multiply
    102,929.96x = 142,078.38 × 60,501.08
  4. Step 4: Simplify right side
    102,929.96x = 8,595,895,434.65
  5. Step 5: Solve for x
    x = 8,595,895,434.65/102,929.96
  6. Step 6: Final answer
    x = 83,512.08

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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.