Home / 115,620.18-159,552.50-64,633

Finding the Fourth Proportional to 115,620.18, 159,552.50 and 64,633

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Solution

The fourth proportional to 115,620.18, 159,552.50 and 64,633 is: 89,191.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,620.18 : 159,552.50 = 64,633 : x
  2. Step 2: Convert to fraction form
    115,620.18/159,552.50 = 64,633/x
  3. Step 3: Cross multiply
    115,620.18x = 159,552.50 × 64,633
  4. Step 4: Simplify right side
    115,620.18x = 10,312,356,732.50
  5. Step 5: Solve for x
    x = 10,312,356,732.50/115,620.18
  6. Step 6: Final answer
    x = 89,191.67

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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.