Home / 112,220.40-168,330.60-56,809.20

Finding the Fourth Proportional to 112,220.40, 168,330.60 and 56,809.20

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Solution

The fourth proportional to 112,220.40, 168,330.60 and 56,809.20 is: 85,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,220.40 : 168,330.60 = 56,809.20 : x
  2. Step 2: Convert to fraction form
    112,220.40/168,330.60 = 56,809.20/x
  3. Step 3: Cross multiply
    112,220.40x = 168,330.60 × 56,809.20
  4. Step 4: Simplify right side
    112,220.40x = 9,562,726,721.52
  5. Step 5: Solve for x
    x = 9,562,726,721.52/112,220.40
  6. Step 6: Final answer
    x = 85,213.80

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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.