Home / 115,532.37-159,434.65-64,545.12

Finding the Fourth Proportional to 115,532.37, 159,434.65 and 64,545.12

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Solution

The fourth proportional to 115,532.37, 159,434.65 and 64,545.12 is: 89,072.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,532.37 : 159,434.65 = 64,545.12 : x
  2. Step 2: Convert to fraction form
    115,532.37/159,434.65 = 64,545.12/x
  3. Step 3: Cross multiply
    115,532.37x = 159,434.65 × 64,545.12
  4. Step 4: Simplify right side
    115,532.37x = 10,290,728,616.41
  5. Step 5: Solve for x
    x = 10,290,728,616.41/115,532.37
  6. Step 6: Final answer
    x = 89,072.25

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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.