Home / 155,448.45-232,950.19-66,678.21

Finding the Fourth Proportional to 155,448.45, 232,950.19 and 66,678.21

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Solution

The fourth proportional to 155,448.45, 232,950.19 and 66,678.21 is: 99,921.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,448.45 : 232,950.19 = 66,678.21 : x
  2. Step 2: Convert to fraction form
    155,448.45/232,950.19 = 66,678.21/x
  3. Step 3: Cross multiply
    155,448.45x = 232,950.19 × 66,678.21
  4. Step 4: Simplify right side
    155,448.45x = 15,532,701,688.36
  5. Step 5: Solve for x
    x = 15,532,701,688.36/155,448.45
  6. Step 6: Final answer
    x = 99,921.88

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1.5x scale

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.