Home / 134,001.72-200,739.80-77,723.60

Finding the Fourth Proportional to 134,001.72, 200,739.80 and 77,723.60

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Solution

The fourth proportional to 134,001.72, 200,739.80 and 77,723.60 is: 116,432.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,001.72 : 200,739.80 = 77,723.60 : x
  2. Step 2: Convert to fraction form
    134,001.72/200,739.80 = 77,723.60/x
  3. Step 3: Cross multiply
    134,001.72x = 200,739.80 × 77,723.60
  4. Step 4: Simplify right side
    134,001.72x = 15,602,219,109.89
  5. Step 5: Solve for x
    x = 15,602,219,109.89/134,001.72
  6. Step 6: Final answer
    x = 116,432.98

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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.