Home / 255,817.18-383,781.12-98,045.74

Finding the Fourth Proportional to 255,817.18, 383,781.12 and 98,045.74

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Solution

The fourth proportional to 255,817.18, 383,781.12 and 98,045.74 is: 147,089.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,817.18 : 383,781.12 = 98,045.74 : x
  2. Step 2: Convert to fraction form
    255,817.18/383,781.12 = 98,045.74/x
  3. Step 3: Cross multiply
    255,817.18x = 383,781.12 × 98,045.74
  4. Step 4: Simplify right side
    255,817.18x = 37,628,103,908.43
  5. Step 5: Solve for x
    x = 37,628,103,908.43/255,817.18
  6. Step 6: Final answer
    x = 147,089.82

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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.