Home / 151,342.41-208,852.52-87,717.11

Finding the Fourth Proportional to 151,342.41, 208,852.52 and 87,717.11

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Solution

The fourth proportional to 151,342.41, 208,852.52 and 87,717.11 is: 121,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,342.41 : 208,852.52 = 87,717.11 : x
  2. Step 2: Convert to fraction form
    151,342.41/208,852.52 = 87,717.11/x
  3. Step 3: Cross multiply
    151,342.41x = 208,852.52 × 87,717.11
  4. Step 4: Simplify right side
    151,342.41x = 18,319,937,987.77
  5. Step 5: Solve for x
    x = 18,319,937,987.77/151,342.41
  6. Step 6: Final answer
    x = 121,049.60

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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.