Home / 112,984.32-169,477.48-28,744.58

Finding the Fourth Proportional to 112,984.32, 169,477.48 and 28,744.58

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Solution

The fourth proportional to 112,984.32, 169,477.48 and 28,744.58 is: 43,117.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,984.32 : 169,477.48 = 28,744.58 : x
  2. Step 2: Convert to fraction form
    112,984.32/169,477.48 = 28,744.58/x
  3. Step 3: Cross multiply
    112,984.32x = 169,477.48 × 28,744.58
  4. Step 4: Simplify right side
    112,984.32x = 4,871,558,982.06
  5. Step 5: Solve for x
    x = 4,871,558,982.06/112,984.32
  6. Step 6: Final answer
    x = 43,117.12

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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.