Home / 115,509.24-159,401.02-64,522.89

Finding the Fourth Proportional to 115,509.24, 159,401.02 and 64,522.89

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Solution

The fourth proportional to 115,509.24, 159,401.02 and 64,522.89 is: 89,040.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,509.24 : 159,401.02 = 64,522.89 : x
  2. Step 2: Convert to fraction form
    115,509.24/159,401.02 = 64,522.89/x
  3. Step 3: Cross multiply
    115,509.24x = 159,401.02 × 64,522.89
  4. Step 4: Simplify right side
    115,509.24x = 10,285,014,479.35
  5. Step 5: Solve for x
    x = 10,285,014,479.35/115,509.24
  6. Step 6: Final answer
    x = 89,040.62

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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.