Home / 155,271.05-232,955.78-55,429.03

Finding the Fourth Proportional to 155,271.05, 232,955.78 and 55,429.03

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Solution

The fourth proportional to 155,271.05, 232,955.78 and 55,429.03 is: 83,161.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,271.05 : 232,955.78 = 55,429.03 : x
  2. Step 2: Convert to fraction form
    155,271.05/232,955.78 = 55,429.03/x
  3. Step 3: Cross multiply
    155,271.05x = 232,955.78 × 55,429.03
  4. Step 4: Simplify right side
    155,271.05x = 12,912,513,244.13
  5. Step 5: Solve for x
    x = 12,912,513,244.13/155,271.05
  6. Step 6: Final answer
    x = 83,161.11

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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.