Home / 197,398.32-272,435.64-112,495.92

Finding the Fourth Proportional to 197,398.32, 272,435.64 and 112,495.92

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Solution

The fourth proportional to 197,398.32, 272,435.64 and 112,495.92 is: 155,259.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,398.32 : 272,435.64 = 112,495.92 : x
  2. Step 2: Convert to fraction form
    197,398.32/272,435.64 = 112,495.92/x
  3. Step 3: Cross multiply
    197,398.32x = 272,435.64 × 112,495.92
  4. Step 4: Simplify right side
    197,398.32x = 30,647,897,962.59
  5. Step 5: Solve for x
    x = 30,647,897,962.59/197,398.32
  6. Step 6: Final answer
    x = 155,259.16

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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.