Home / 197,991.04-272,963.31-157,290.22

Finding the Fourth Proportional to 197,991.04, 272,963.31 and 157,290.22

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Solution

The fourth proportional to 197,991.04, 272,963.31 and 157,290.22 is: 216,850.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,991.04 : 272,963.31 = 157,290.22 : x
  2. Step 2: Convert to fraction form
    197,991.04/272,963.31 = 157,290.22/x
  3. Step 3: Cross multiply
    197,991.04x = 272,963.31 × 157,290.22
  4. Step 4: Simplify right side
    197,991.04x = 42,934,459,081.83
  5. Step 5: Solve for x
    x = 42,934,459,081.83/197,991.04
  6. Step 6: Final answer
    x = 216,850.52

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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.