Home / 115,447.22-159,315.64-64,460.82

Finding the Fourth Proportional to 115,447.22, 159,315.64 and 64,460.82

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Solution

The fourth proportional to 115,447.22, 159,315.64 and 64,460.82 is: 88,955.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,447.22 : 159,315.64 = 64,460.82 : x
  2. Step 2: Convert to fraction form
    115,447.22/159,315.64 = 64,460.82/x
  3. Step 3: Cross multiply
    115,447.22x = 159,315.64 × 64,460.82
  4. Step 4: Simplify right side
    115,447.22x = 10,269,616,793.22
  5. Step 5: Solve for x
    x = 10,269,616,793.22/115,447.22
  6. Step 6: Final answer
    x = 88,955.08

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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.