Home / 112,258.40-168,387.60-59,640.80

Finding the Fourth Proportional to 112,258.40, 168,387.60 and 59,640.80

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Solution

The fourth proportional to 112,258.40, 168,387.60 and 59,640.80 is: 89,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,258.40 : 168,387.60 = 59,640.80 : x
  2. Step 2: Convert to fraction form
    112,258.40/168,387.60 = 59,640.80/x
  3. Step 3: Cross multiply
    112,258.40x = 168,387.60 × 59,640.80
  4. Step 4: Simplify right side
    112,258.40x = 10,042,771,174.08
  5. Step 5: Solve for x
    x = 10,042,771,174.08/112,258.40
  6. Step 6: Final answer
    x = 89,461.20

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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.