Home / 199,929.60-299,894.40-52,185.60

Finding the Fourth Proportional to 199,929.60, 299,894.40 and 52,185.60

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Solution

The fourth proportional to 199,929.60, 299,894.40 and 52,185.60 is: 78,278.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,929.60 : 299,894.40 = 52,185.60 : x
  2. Step 2: Convert to fraction form
    199,929.60/299,894.40 = 52,185.60/x
  3. Step 3: Cross multiply
    199,929.60x = 299,894.40 × 52,185.60
  4. Step 4: Simplify right side
    199,929.60x = 15,650,169,200.64
  5. Step 5: Solve for x
    x = 15,650,169,200.64/199,929.60
  6. Step 6: Final answer
    x = 78,278.40

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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.