Home / 115,186.24-158,956.32-64,901.44

Finding the Fourth Proportional to 115,186.24, 158,956.32 and 64,901.44

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Solution

The fourth proportional to 115,186.24, 158,956.32 and 64,901.44 is: 89,563.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,186.24 : 158,956.32 = 64,901.44 : x
  2. Step 2: Convert to fraction form
    115,186.24/158,956.32 = 64,901.44/x
  3. Step 3: Cross multiply
    115,186.24x = 158,956.32 × 64,901.44
  4. Step 4: Simplify right side
    115,186.24x = 10,316,494,065.10
  5. Step 5: Solve for x
    x = 10,316,494,065.10/115,186.24
  6. Step 6: Final answer
    x = 89,563.60

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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.