Home / 136,312.94-204,303.62-72,977.42

Finding the Fourth Proportional to 136,312.94, 204,303.62 and 72,977.42

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Solution

The fourth proportional to 136,312.94, 204,303.62 and 72,977.42 is: 109,377.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,312.94 : 204,303.62 = 72,977.42 : x
  2. Step 2: Convert to fraction form
    136,312.94/204,303.62 = 72,977.42/x
  3. Step 3: Cross multiply
    136,312.94x = 204,303.62 × 72,977.42
  4. Step 4: Simplify right side
    136,312.94x = 14,909,551,084.26
  5. Step 5: Solve for x
    x = 14,909,551,084.26/136,312.94
  6. Step 6: Final answer
    x = 109,377.37

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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.