Home / 230,771.64-346,170.06-72,988.32

Finding the Fourth Proportional to 230,771.64, 346,170.06 and 72,988.32

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Solution

The fourth proportional to 230,771.64, 346,170.06 and 72,988.32 is: 109,486.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,771.64 : 346,170.06 = 72,988.32 : x
  2. Step 2: Convert to fraction form
    230,771.64/346,170.06 = 72,988.32/x
  3. Step 3: Cross multiply
    230,771.64x = 346,170.06 × 72,988.32
  4. Step 4: Simplify right side
    230,771.64x = 25,266,371,113.70
  5. Step 5: Solve for x
    x = 25,266,371,113.70/230,771.64
  6. Step 6: Final answer
    x = 109,486.47

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1.5x scale

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.