Home / 205,021.10-307,531.65-94,429.10

Finding the Fourth Proportional to 205,021.10, 307,531.65 and 94,429.10

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Solution

The fourth proportional to 205,021.10, 307,531.65 and 94,429.10 is: 141,643.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,021.10 : 307,531.65 = 94,429.10 : x
  2. Step 2: Convert to fraction form
    205,021.10/307,531.65 = 94,429.10/x
  3. Step 3: Cross multiply
    205,021.10x = 307,531.65 × 94,429.10
  4. Step 4: Simplify right side
    205,021.10x = 29,039,936,931.02
  5. Step 5: Solve for x
    x = 29,039,936,931.02/205,021.10
  6. Step 6: Final answer
    x = 141,643.65

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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.