Home / 120,402.90-180,492.66-44,459.51

Finding the Fourth Proportional to 120,402.90, 180,492.66 and 44,459.51

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Solution

The fourth proportional to 120,402.90, 180,492.66 and 44,459.51 is: 66,648.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,402.90 : 180,492.66 = 44,459.51 : x
  2. Step 2: Convert to fraction form
    120,402.90/180,492.66 = 44,459.51/x
  3. Step 3: Cross multiply
    120,402.90x = 180,492.66 × 44,459.51
  4. Step 4: Simplify right side
    120,402.90x = 8,024,614,319.73
  5. Step 5: Solve for x
    x = 8,024,614,319.73/120,402.90
  6. Step 6: Final answer
    x = 66,648.02

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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.