Home / 152,020.82-209,847.93-136,077.70

Finding the Fourth Proportional to 152,020.82, 209,847.93 and 136,077.70

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Solution

The fourth proportional to 152,020.82, 209,847.93 and 136,077.70 is: 187,840.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,020.82 : 209,847.93 = 136,077.70 : x
  2. Step 2: Convert to fraction form
    152,020.82/209,847.93 = 136,077.70/x
  3. Step 3: Cross multiply
    152,020.82x = 209,847.93 × 136,077.70
  4. Step 4: Simplify right side
    152,020.82x = 28,555,623,664.16
  5. Step 5: Solve for x
    x = 28,555,623,664.16/152,020.82
  6. Step 6: Final answer
    x = 187,840.22

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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.