Home / 197,064.72-271,971-112,168.08

Finding the Fourth Proportional to 197,064.72, 271,971 and 112,168.08

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Solution

The fourth proportional to 197,064.72, 271,971 and 112,168.08 is: 154,804.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,064.72 : 271,971 = 112,168.08 : x
  2. Step 2: Convert to fraction form
    197,064.72/271,971 = 112,168.08/x
  3. Step 3: Cross multiply
    197,064.72x = 271,971 × 112,168.08
  4. Step 4: Simplify right side
    197,064.72x = 30,506,464,885.68
  5. Step 5: Solve for x
    x = 30,506,464,885.68/197,064.72
  6. Step 6: Final answer
    x = 154,804.29

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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.