Home / 136,310.94-204,300.63-72,975.42

Finding the Fourth Proportional to 136,310.94, 204,300.63 and 72,975.42

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Solution

The fourth proportional to 136,310.94, 204,300.63 and 72,975.42 is: 109,374.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,310.94 : 204,300.63 = 72,975.42 : x
  2. Step 2: Convert to fraction form
    136,310.94/204,300.63 = 72,975.42/x
  3. Step 3: Cross multiply
    136,310.94x = 204,300.63 × 72,975.42
  4. Step 4: Simplify right side
    136,310.94x = 14,908,924,280.51
  5. Step 5: Solve for x
    x = 14,908,924,280.51/136,310.94
  6. Step 6: Final answer
    x = 109,374.38

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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.