Home / 197,146.64-272,064.96-112,264.04

Finding the Fourth Proportional to 197,146.64, 272,064.96 and 112,264.04

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Solution

The fourth proportional to 197,146.64, 272,064.96 and 112,264.04 is: 154,925.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,146.64 : 272,064.96 = 112,264.04 : x
  2. Step 2: Convert to fraction form
    197,146.64/272,064.96 = 112,264.04/x
  3. Step 3: Cross multiply
    197,146.64x = 272,064.96 × 112,264.04
  4. Step 4: Simplify right side
    197,146.64x = 30,543,111,552.04
  5. Step 5: Solve for x
    x = 30,543,111,552.04/197,146.64
  6. Step 6: Final answer
    x = 154,925.85

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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.