Home / 155,283.30-232,694.10-80,303.40

Finding the Fourth Proportional to 155,283.30, 232,694.10 and 80,303.40

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Solution

The fourth proportional to 155,283.30, 232,694.10 and 80,303.40 is: 120,335.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,283.30 : 232,694.10 = 80,303.40 : x
  2. Step 2: Convert to fraction form
    155,283.30/232,694.10 = 80,303.40/x
  3. Step 3: Cross multiply
    155,283.30x = 232,694.10 × 80,303.40
  4. Step 4: Simplify right side
    155,283.30x = 18,686,127,389.94
  5. Step 5: Solve for x
    x = 18,686,127,389.94/155,283.30
  6. Step 6: Final answer
    x = 120,335.72

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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.