Home / 199,583.99-299,423.82-66,465.40

Finding the Fourth Proportional to 199,583.99, 299,423.82 and 66,465.40

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Solution

The fourth proportional to 199,583.99, 299,423.82 and 66,465.40 is: 99,714.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,583.99 : 299,423.82 = 66,465.40 : x
  2. Step 2: Convert to fraction form
    199,583.99/299,423.82 = 66,465.40/x
  3. Step 3: Cross multiply
    199,583.99x = 299,423.82 × 66,465.40
  4. Step 4: Simplify right side
    199,583.99x = 19,901,323,965.83
  5. Step 5: Solve for x
    x = 19,901,323,965.83/199,583.99
  6. Step 6: Final answer
    x = 99,714.03

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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.