Home / 115,835.37-159,850.56-64,848.20

Finding the Fourth Proportional to 115,835.37, 159,850.56 and 64,848.20

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Solution

The fourth proportional to 115,835.37, 159,850.56 and 64,848.20 is: 89,489.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,835.37 : 159,850.56 = 64,848.20 : x
  2. Step 2: Convert to fraction form
    115,835.37/159,850.56 = 64,848.20/x
  3. Step 3: Cross multiply
    115,835.37x = 159,850.56 × 64,848.20
  4. Step 4: Simplify right side
    115,835.37x = 10,366,020,528.92
  5. Step 5: Solve for x
    x = 10,366,020,528.92/115,835.37
  6. Step 6: Final answer
    x = 89,489.25

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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.