Home / 170,107.90-234,748.63-105,553.13

Finding the Fourth Proportional to 170,107.90, 234,748.63 and 105,553.13

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Solution

The fourth proportional to 170,107.90, 234,748.63 and 105,553.13 is: 145,663.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,107.90 : 234,748.63 = 105,553.13 : x
  2. Step 2: Convert to fraction form
    170,107.90/234,748.63 = 105,553.13/x
  3. Step 3: Cross multiply
    170,107.90x = 234,748.63 × 105,553.13
  4. Step 4: Simplify right side
    170,107.90x = 24,778,451,617.91
  5. Step 5: Solve for x
    x = 24,778,451,617.91/170,107.90
  6. Step 6: Final answer
    x = 145,663.15

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1.5x scale

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.