Home / 112,221.40-168,332.10-29,115.40

Finding the Fourth Proportional to 112,221.40, 168,332.10 and 29,115.40

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Solution

The fourth proportional to 112,221.40, 168,332.10 and 29,115.40 is: 43,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,221.40 : 168,332.10 = 29,115.40 : x
  2. Step 2: Convert to fraction form
    112,221.40/168,332.10 = 29,115.40/x
  3. Step 3: Cross multiply
    112,221.40x = 168,332.10 × 29,115.40
  4. Step 4: Simplify right side
    112,221.40x = 4,901,056,424.34
  5. Step 5: Solve for x
    x = 4,901,056,424.34/112,221.40
  6. Step 6: Final answer
    x = 43,673.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.