Home / 113,143.09-169,714.63-28,903.44

Finding the Fourth Proportional to 113,143.09, 169,714.63 and 28,903.44

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Solution

The fourth proportional to 113,143.09, 169,714.63 and 28,903.44 is: 43,355.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,143.09 : 169,714.63 = 28,903.44 : x
  2. Step 2: Convert to fraction form
    113,143.09/169,714.63 = 28,903.44/x
  3. Step 3: Cross multiply
    113,143.09x = 169,714.63 × 28,903.44
  4. Step 4: Simplify right side
    113,143.09x = 4,905,335,632.24
  5. Step 5: Solve for x
    x = 4,905,335,632.24/113,143.09
  6. Step 6: Final answer
    x = 43,355.15

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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.