Home / 197,730.56-272,866.92-107,085.08

Finding the Fourth Proportional to 197,730.56, 272,866.92 and 107,085.08

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Solution

The fourth proportional to 197,730.56, 272,866.92 and 107,085.08 is: 147,776.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,730.56 : 272,866.92 = 107,085.08 : x
  2. Step 2: Convert to fraction form
    197,730.56/272,866.92 = 107,085.08/x
  3. Step 3: Cross multiply
    197,730.56x = 272,866.92 × 107,085.08
  4. Step 4: Simplify right side
    197,730.56x = 29,219,975,957.55
  5. Step 5: Solve for x
    x = 29,219,975,957.55/197,730.56
  6. Step 6: Final answer
    x = 147,776.73

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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.