Home / 212,705.19-319,024.98-94,355.69

Finding the Fourth Proportional to 212,705.19, 319,024.98 and 94,355.69

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Solution

The fourth proportional to 212,705.19, 319,024.98 and 94,355.69 is: 141,518.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,705.19 : 319,024.98 = 94,355.69 : x
  2. Step 2: Convert to fraction form
    212,705.19/319,024.98 = 94,355.69/x
  3. Step 3: Cross multiply
    212,705.19x = 319,024.98 × 94,355.69
  4. Step 4: Simplify right side
    212,705.19x = 30,101,820,520.01
  5. Step 5: Solve for x
    x = 30,101,820,520.01/212,705.19
  6. Step 6: Final answer
    x = 141,518.98

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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.