Home / 115,899.03-159,927.44-64,904.67

Finding the Fourth Proportional to 115,899.03, 159,927.44 and 64,904.67

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Solution

The fourth proportional to 115,899.03, 159,927.44 and 64,904.67 is: 89,561.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,899.03 : 159,927.44 = 64,904.67 : x
  2. Step 2: Convert to fraction form
    115,899.03/159,927.44 = 64,904.67/x
  3. Step 3: Cross multiply
    115,899.03x = 159,927.44 × 64,904.67
  4. Step 4: Simplify right side
    115,899.03x = 10,380,037,392.62
  5. Step 5: Solve for x
    x = 10,380,037,392.62/115,899.03
  6. Step 6: Final answer
    x = 89,561.04

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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.