Home / 230,946.80-346,348.20-90,748.40

Finding the Fourth Proportional to 230,946.80, 346,348.20 and 90,748.40

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Solution

The fourth proportional to 230,946.80, 346,348.20 and 90,748.40 is: 136,094.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,946.80 : 346,348.20 = 90,748.40 : x
  2. Step 2: Convert to fraction form
    230,946.80/346,348.20 = 90,748.40/x
  3. Step 3: Cross multiply
    230,946.80x = 346,348.20 × 90,748.40
  4. Step 4: Simplify right side
    230,946.80x = 31,430,544,992.88
  5. Step 5: Solve for x
    x = 31,430,544,992.88/230,946.80
  6. Step 6: Final answer
    x = 136,094.31

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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.