Home / 115,444.86-159,312.39-64,458.46

Finding the Fourth Proportional to 115,444.86, 159,312.39 and 64,458.46

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Solution

The fourth proportional to 115,444.86, 159,312.39 and 64,458.46 is: 88,951.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,444.86 : 159,312.39 = 64,458.46 : x
  2. Step 2: Convert to fraction form
    115,444.86/159,312.39 = 64,458.46/x
  3. Step 3: Cross multiply
    115,444.86x = 159,312.39 × 64,458.46
  4. Step 4: Simplify right side
    115,444.86x = 10,269,031,318.32
  5. Step 5: Solve for x
    x = 10,269,031,318.32/115,444.86
  6. Step 6: Final answer
    x = 88,951.83

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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.