Home / 155,633.72-233,660.47-99,583.24

Finding the Fourth Proportional to 155,633.72, 233,660.47 and 99,583.24

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Solution

The fourth proportional to 155,633.72, 233,660.47 and 99,583.24 is: 149,509.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,633.72 : 233,660.47 = 99,583.24 : x
  2. Step 2: Convert to fraction form
    155,633.72/233,660.47 = 99,583.24/x
  3. Step 3: Cross multiply
    155,633.72x = 233,660.47 × 99,583.24
  4. Step 4: Simplify right side
    155,633.72x = 23,268,666,164.61
  5. Step 5: Solve for x
    x = 23,268,666,164.61/155,633.72
  6. Step 6: Final answer
    x = 149,509.16

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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.