Home / 199,220.36-275,193.32-159,214.52

Finding the Fourth Proportional to 199,220.36, 275,193.32 and 159,214.52

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Solution

The fourth proportional to 199,220.36, 275,193.32 and 159,214.52 is: 219,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,220.36 : 275,193.32 = 159,214.52 : x
  2. Step 2: Convert to fraction form
    199,220.36/275,193.32 = 159,214.52/x
  3. Step 3: Cross multiply
    199,220.36x = 275,193.32 × 159,214.52
  4. Step 4: Simplify right side
    199,220.36x = 43,814,771,373.08
  5. Step 5: Solve for x
    x = 43,814,771,373.08/199,220.36
  6. Step 6: Final answer
    x = 219,931.20

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1.5x scale

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.