Home / 255,623.10-383,434.65-161,144.70

Finding the Fourth Proportional to 255,623.10, 383,434.65 and 161,144.70

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Solution

The fourth proportional to 255,623.10, 383,434.65 and 161,144.70 is: 241,717.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,623.10 : 383,434.65 = 161,144.70 : x
  2. Step 2: Convert to fraction form
    255,623.10/383,434.65 = 161,144.70/x
  3. Step 3: Cross multiply
    255,623.10x = 383,434.65 × 161,144.70
  4. Step 4: Simplify right side
    255,623.10x = 61,788,461,643.86
  5. Step 5: Solve for x
    x = 61,788,461,643.86/255,623.10
  6. Step 6: Final answer
    x = 241,717.05

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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.