Home / 230,865.12-346,492.08-90,722.16

Finding the Fourth Proportional to 230,865.12, 346,492.08 and 90,722.16

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Solution

The fourth proportional to 230,865.12, 346,492.08 and 90,722.16 is: 136,159.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,865.12 : 346,492.08 = 90,722.16 : x
  2. Step 2: Convert to fraction form
    230,865.12/346,492.08 = 90,722.16/x
  3. Step 3: Cross multiply
    230,865.12x = 346,492.08 × 90,722.16
  4. Step 4: Simplify right side
    230,865.12x = 31,434,509,920.49
  5. Step 5: Solve for x
    x = 31,434,509,920.49/230,865.12
  6. Step 6: Final answer
    x = 136,159.63

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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.