Home / 152,015.14-209,840.04-136,071.91

Finding the Fourth Proportional to 152,015.14, 209,840.04 and 136,071.91

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Solution

The fourth proportional to 152,015.14, 209,840.04 and 136,071.91 is: 187,832.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,015.14 : 209,840.04 = 136,071.91 : x
  2. Step 2: Convert to fraction form
    152,015.14/209,840.04 = 136,071.91/x
  3. Step 3: Cross multiply
    152,015.14x = 209,840.04 × 136,071.91
  4. Step 4: Simplify right side
    152,015.14x = 28,553,334,512.68
  5. Step 5: Solve for x
    x = 28,553,334,512.68/152,015.14
  6. Step 6: Final answer
    x = 187,832.18

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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.