Home / 209,508.96-314,128.22-89,644.14

Finding the Fourth Proportional to 209,508.96, 314,128.22 and 89,644.14

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Solution

The fourth proportional to 209,508.96, 314,128.22 and 89,644.14 is: 134,408.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,508.96 : 314,128.22 = 89,644.14 : x
  2. Step 2: Convert to fraction form
    209,508.96/314,128.22 = 89,644.14/x
  3. Step 3: Cross multiply
    209,508.96x = 314,128.22 × 89,644.14
  4. Step 4: Simplify right side
    209,508.96x = 28,159,754,131.63
  5. Step 5: Solve for x
    x = 28,159,754,131.63/209,508.96
  6. Step 6: Final answer
    x = 134,408.35

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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.