Home / 239,864.08-359,730.40-90,092.80

Finding the Fourth Proportional to 239,864.08, 359,730.40 and 90,092.80

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Solution

The fourth proportional to 239,864.08, 359,730.40 and 90,092.80 is: 135,114.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,864.08 : 359,730.40 = 90,092.80 : x
  2. Step 2: Convert to fraction form
    239,864.08/359,730.40 = 90,092.80/x
  3. Step 3: Cross multiply
    239,864.08x = 359,730.40 × 90,092.80
  4. Step 4: Simplify right side
    239,864.08x = 32,409,118,981.12
  5. Step 5: Solve for x
    x = 32,409,118,981.12/239,864.08
  6. Step 6: Final answer
    x = 135,114.52

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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.