Home / 112,200.48-154,832.40-69,749.28

Finding the Fourth Proportional to 112,200.48, 154,832.40 and 69,749.28

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Solution

The fourth proportional to 112,200.48, 154,832.40 and 69,749.28 is: 96,251.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,200.48 : 154,832.40 = 69,749.28 : x
  2. Step 2: Convert to fraction form
    112,200.48/154,832.40 = 69,749.28/x
  3. Step 3: Cross multiply
    112,200.48x = 154,832.40 × 69,749.28
  4. Step 4: Simplify right side
    112,200.48x = 10,799,448,420.67
  5. Step 5: Solve for x
    x = 10,799,448,420.67/112,200.48
  6. Step 6: Final answer
    x = 96,251.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.