Home / 155,133.28-232,484.64-70,687.07

Finding the Fourth Proportional to 155,133.28, 232,484.64 and 70,687.07

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Solution

The fourth proportional to 155,133.28, 232,484.64 and 70,687.07 is: 105,932.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,133.28 : 232,484.64 = 70,687.07 : x
  2. Step 2: Convert to fraction form
    155,133.28/232,484.64 = 70,687.07/x
  3. Step 3: Cross multiply
    155,133.28x = 232,484.64 × 70,687.07
  4. Step 4: Simplify right side
    155,133.28x = 16,433,658,021.60
  5. Step 5: Solve for x
    x = 16,433,658,021.60/155,133.28
  6. Step 6: Final answer
    x = 105,932.51

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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.