Home / 115,332.32-159,165.68-64,345.16

Finding the Fourth Proportional to 115,332.32, 159,165.68 and 64,345.16

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Solution

The fourth proportional to 115,332.32, 159,165.68 and 64,345.16 is: 88,800.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,332.32 : 159,165.68 = 64,345.16 : x
  2. Step 2: Convert to fraction form
    115,332.32/159,165.68 = 64,345.16/x
  3. Step 3: Cross multiply
    115,332.32x = 159,165.68 × 64,345.16
  4. Step 4: Simplify right side
    115,332.32x = 10,241,541,222.30
  5. Step 5: Solve for x
    x = 10,241,541,222.30/115,332.32
  6. Step 6: Final answer
    x = 88,800.27

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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.