Home / 356,038.24-534,144.72-106,720

Finding the Fourth Proportional to 356,038.24, 534,144.72 and 106,720

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Solution

The fourth proportional to 356,038.24, 534,144.72 and 106,720 is: 160,106.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,038.24 : 534,144.72 = 106,720 : x
  2. Step 2: Convert to fraction form
    356,038.24/534,144.72 = 106,720/x
  3. Step 3: Cross multiply
    356,038.24x = 534,144.72 × 106,720
  4. Step 4: Simplify right side
    356,038.24x = 57,003,924,518.40
  5. Step 5: Solve for x
    x = 57,003,924,518.40/356,038.24
  6. Step 6: Final answer
    x = 160,106.19

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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.