Home / 112,170.72-168,367.36-59,580.64

Finding the Fourth Proportional to 112,170.72, 168,367.36 and 59,580.64

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Solution

The fourth proportional to 112,170.72, 168,367.36 and 59,580.64 is: 89,430.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,170.72 : 168,367.36 = 59,580.64 : x
  2. Step 2: Convert to fraction form
    112,170.72/168,367.36 = 59,580.64/x
  3. Step 3: Cross multiply
    112,170.72x = 168,367.36 × 59,580.64
  4. Step 4: Simplify right side
    112,170.72x = 10,031,435,063.91
  5. Step 5: Solve for x
    x = 10,031,435,063.91/112,170.72
  6. Step 6: Final answer
    x = 89,430.07

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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.