Home / 195,621.60-292,510.80-145,855.20

Finding the Fourth Proportional to 195,621.60, 292,510.80 and 145,855.20

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Solution

The fourth proportional to 195,621.60, 292,510.80 and 145,855.20 is: 218,095.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,621.60 : 292,510.80 = 145,855.20 : x
  2. Step 2: Convert to fraction form
    195,621.60/292,510.80 = 145,855.20/x
  3. Step 3: Cross multiply
    195,621.60x = 292,510.80 × 145,855.20
  4. Step 4: Simplify right side
    195,621.60x = 42,664,221,236.16
  5. Step 5: Solve for x
    x = 42,664,221,236.16/195,621.60
  6. Step 6: Final answer
    x = 218,095.66

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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.