Home / 199,973.48-299,628.05-140,684.58

Finding the Fourth Proportional to 199,973.48, 299,628.05 and 140,684.58

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Solution

The fourth proportional to 199,973.48, 299,628.05 and 140,684.58 is: 210,793.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,973.48 : 299,628.05 = 140,684.58 : x
  2. Step 2: Convert to fraction form
    199,973.48/299,628.05 = 140,684.58/x
  3. Step 3: Cross multiply
    199,973.48x = 299,628.05 × 140,684.58
  4. Step 4: Simplify right side
    199,973.48x = 42,153,045,667.05
  5. Step 5: Solve for x
    x = 42,153,045,667.05/199,973.48
  6. Step 6: Final answer
    x = 210,793.18

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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.