Home / 115,508.58-159,397.06-64,521.06

Finding the Fourth Proportional to 115,508.58, 159,397.06 and 64,521.06

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Solution

The fourth proportional to 115,508.58, 159,397.06 and 64,521.06 is: 89,036.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,508.58 : 159,397.06 = 64,521.06 : x
  2. Step 2: Convert to fraction form
    115,508.58/159,397.06 = 64,521.06/x
  3. Step 3: Cross multiply
    115,508.58x = 159,397.06 × 64,521.06
  4. Step 4: Simplify right side
    115,508.58x = 10,284,467,272.08
  5. Step 5: Solve for x
    x = 10,284,467,272.08/115,508.58
  6. Step 6: Final answer
    x = 89,036.39

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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.