Home / 525,204.02-787,640.78-170,135.66

Finding the Fourth Proportional to 525,204.02, 787,640.78 and 170,135.66

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Solution

The fourth proportional to 525,204.02, 787,640.78 and 170,135.66 is: 255,149.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,204.02 : 787,640.78 = 170,135.66 : x
  2. Step 2: Convert to fraction form
    525,204.02/787,640.78 = 170,135.66/x
  3. Step 3: Cross multiply
    525,204.02x = 787,640.78 × 170,135.66
  4. Step 4: Simplify right side
    525,204.02x = 134,005,779,159.33
  5. Step 5: Solve for x
    x = 134,005,779,159.33/525,204.02
  6. Step 6: Final answer
    x = 255,149.95

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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.