Home / 131,485.86-181,439.54-73,339.01

Finding the Fourth Proportional to 131,485.86, 181,439.54 and 73,339.01

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Solution

The fourth proportional to 131,485.86, 181,439.54 and 73,339.01 is: 101,201.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,485.86 : 181,439.54 = 73,339.01 : x
  2. Step 2: Convert to fraction form
    131,485.86/181,439.54 = 73,339.01/x
  3. Step 3: Cross multiply
    131,485.86x = 181,439.54 × 73,339.01
  4. Step 4: Simplify right side
    131,485.86x = 13,306,594,964.56
  5. Step 5: Solve for x
    x = 13,306,594,964.56/131,485.86
  6. Step 6: Final answer
    x = 101,201.72

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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.