Home / 103,159.96-142,354.74-57,834.52

Finding the Fourth Proportional to 103,159.96, 142,354.74 and 57,834.52

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Solution

The fourth proportional to 103,159.96, 142,354.74 and 57,834.52 is: 79,808.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,159.96 : 142,354.74 = 57,834.52 : x
  2. Step 2: Convert to fraction form
    103,159.96/142,354.74 = 57,834.52/x
  3. Step 3: Cross multiply
    103,159.96x = 142,354.74 × 57,834.52
  4. Step 4: Simplify right side
    103,159.96x = 8,233,018,057.62
  5. Step 5: Solve for x
    x = 8,233,018,057.62/103,159.96
  6. Step 6: Final answer
    x = 79,808.27

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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.