Home / 197,742.72-272,869.92-112,848.24

Finding the Fourth Proportional to 197,742.72, 272,869.92 and 112,848.24

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Solution

The fourth proportional to 197,742.72, 272,869.92 and 112,848.24 is: 155,721.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,742.72 : 272,869.92 = 112,848.24 : x
  2. Step 2: Convert to fraction form
    197,742.72/272,869.92 = 112,848.24/x
  3. Step 3: Cross multiply
    197,742.72x = 272,869.92 × 112,848.24
  4. Step 4: Simplify right side
    197,742.72x = 30,792,890,220.94
  5. Step 5: Solve for x
    x = 30,792,890,220.94/197,742.72
  6. Step 6: Final answer
    x = 155,721.99

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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.