Home / 145,946.80-218,493.69-131,939.07

Finding the Fourth Proportional to 145,946.80, 218,493.69 and 131,939.07

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Solution

The fourth proportional to 145,946.80, 218,493.69 and 131,939.07 is: 197,523.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,946.80 : 218,493.69 = 131,939.07 : x
  2. Step 2: Convert to fraction form
    145,946.80/218,493.69 = 131,939.07/x
  3. Step 3: Cross multiply
    145,946.80x = 218,493.69 × 131,939.07
  4. Step 4: Simplify right side
    145,946.80x = 28,827,854,259.47
  5. Step 5: Solve for x
    x = 28,827,854,259.47/145,946.80
  6. Step 6: Final answer
    x = 197,523.03

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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.