Home / 118,739.08-178,108.62-53,029

Finding the Fourth Proportional to 118,739.08, 178,108.62 and 53,029

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Solution

The fourth proportional to 118,739.08, 178,108.62 and 53,029 is: 79,543.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,739.08 : 178,108.62 = 53,029 : x
  2. Step 2: Convert to fraction form
    118,739.08/178,108.62 = 53,029/x
  3. Step 3: Cross multiply
    118,739.08x = 178,108.62 × 53,029
  4. Step 4: Simplify right side
    118,739.08x = 9,444,922,009.98
  5. Step 5: Solve for x
    x = 9,444,922,009.98/118,739.08
  6. Step 6: Final answer
    x = 79,543.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.