Home / 136,763.90-205,101.54-45,555.06

Finding the Fourth Proportional to 136,763.90, 205,101.54 and 45,555.06

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Solution

The fourth proportional to 136,763.90, 205,101.54 and 45,555.06 is: 68,317.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,763.90 : 205,101.54 = 45,555.06 : x
  2. Step 2: Convert to fraction form
    136,763.90/205,101.54 = 45,555.06/x
  3. Step 3: Cross multiply
    136,763.90x = 205,101.54 × 45,555.06
  4. Step 4: Simplify right side
    136,763.90x = 9,343,412,960.79
  5. Step 5: Solve for x
    x = 9,343,412,960.79/136,763.90
  6. Step 6: Final answer
    x = 68,317.83

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1.5x scale

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.