Home / 115,501.28-159,388.47-64,512.52

Finding the Fourth Proportional to 115,501.28, 159,388.47 and 64,512.52

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Solution

The fourth proportional to 115,501.28, 159,388.47 and 64,512.52 is: 89,025.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,501.28 : 159,388.47 = 64,512.52 : x
  2. Step 2: Convert to fraction form
    115,501.28/159,388.47 = 64,512.52/x
  3. Step 3: Cross multiply
    115,501.28x = 159,388.47 × 64,512.52
  4. Step 4: Simplify right side
    115,501.28x = 10,282,551,460.17
  5. Step 5: Solve for x
    x = 10,282,551,460.17/115,501.28
  6. Step 6: Final answer
    x = 89,025.44

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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.