Home / 197,577.10-272,639.14-116,990.20

Finding the Fourth Proportional to 197,577.10, 272,639.14 and 116,990.20

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Solution

The fourth proportional to 197,577.10, 272,639.14 and 116,990.20 is: 161,436.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,577.10 : 272,639.14 = 116,990.20 : x
  2. Step 2: Convert to fraction form
    197,577.10/272,639.14 = 116,990.20/x
  3. Step 3: Cross multiply
    197,577.10x = 272,639.14 × 116,990.20
  4. Step 4: Simplify right side
    197,577.10x = 31,896,107,516.43
  5. Step 5: Solve for x
    x = 31,896,107,516.43/197,577.10
  6. Step 6: Final answer
    x = 161,436.26

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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.