Home / 155,512.81-232,821.74-139,285.61

Finding the Fourth Proportional to 155,512.81, 232,821.74 and 139,285.61

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Solution

The fourth proportional to 155,512.81, 232,821.74 and 139,285.61 is: 208,527.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,512.81 : 232,821.74 = 139,285.61 : x
  2. Step 2: Convert to fraction form
    155,512.81/232,821.74 = 139,285.61/x
  3. Step 3: Cross multiply
    155,512.81x = 232,821.74 × 139,285.61
  4. Step 4: Simplify right side
    155,512.81x = 32,428,717,962.79
  5. Step 5: Solve for x
    x = 32,428,717,962.79/155,512.81
  6. Step 6: Final answer
    x = 208,527.63

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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.