Home / 199,931.59-275,905.60-109,287.93

Finding the Fourth Proportional to 199,931.59, 275,905.60 and 109,287.93

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Solution

The fourth proportional to 199,931.59, 275,905.60 and 109,287.93 is: 150,817.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,931.59 : 275,905.60 = 109,287.93 : x
  2. Step 2: Convert to fraction form
    199,931.59/275,905.60 = 109,287.93/x
  3. Step 3: Cross multiply
    199,931.59x = 275,905.60 × 109,287.93
  4. Step 4: Simplify right side
    199,931.59x = 30,153,151,899.41
  5. Step 5: Solve for x
    x = 30,153,151,899.41/199,931.59
  6. Step 6: Final answer
    x = 150,817.35

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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.