Home / 197,559.32-272,631.85-106,915.31

Finding the Fourth Proportional to 197,559.32, 272,631.85 and 106,915.31

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Solution

The fourth proportional to 197,559.32, 272,631.85 and 106,915.31 is: 147,543.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,559.32 : 272,631.85 = 106,915.31 : x
  2. Step 2: Convert to fraction form
    197,559.32/272,631.85 = 106,915.31/x
  3. Step 3: Cross multiply
    197,559.32x = 272,631.85 × 106,915.31
  4. Step 4: Simplify right side
    197,559.32x = 29,148,518,688.04
  5. Step 5: Solve for x
    x = 29,148,518,688.04/197,559.32
  6. Step 6: Final answer
    x = 147,543.12

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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.