Home / 112,455.12-168,708.12-33,566.40

Finding the Fourth Proportional to 112,455.12, 168,708.12 and 33,566.40

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Solution

The fourth proportional to 112,455.12, 168,708.12 and 33,566.40 is: 50,357.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,455.12 : 168,708.12 = 33,566.40 : x
  2. Step 2: Convert to fraction form
    112,455.12/168,708.12 = 33,566.40/x
  3. Step 3: Cross multiply
    112,455.12x = 168,708.12 × 33,566.40
  4. Step 4: Simplify right side
    112,455.12x = 5,662,924,239.17
  5. Step 5: Solve for x
    x = 5,662,924,239.17/112,455.12
  6. Step 6: Final answer
    x = 50,357.19

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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.