Home / 155,112.80-232,669.20-101,968.70

Finding the Fourth Proportional to 155,112.80, 232,669.20 and 101,968.70

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Solution

The fourth proportional to 155,112.80, 232,669.20 and 101,968.70 is: 152,953.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,112.80 : 232,669.20 = 101,968.70 : x
  2. Step 2: Convert to fraction form
    155,112.80/232,669.20 = 101,968.70/x
  3. Step 3: Cross multiply
    155,112.80x = 232,669.20 × 101,968.70
  4. Step 4: Simplify right side
    155,112.80x = 23,724,975,854.04
  5. Step 5: Solve for x
    x = 23,724,975,854.04/155,112.80
  6. Step 6: Final answer
    x = 152,953.05

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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.