Home / 525,108.20-787,739.10-170,061.80

Finding the Fourth Proportional to 525,108.20, 787,739.10 and 170,061.80

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Solution

The fourth proportional to 525,108.20, 787,739.10 and 170,061.80 is: 255,117.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,108.20 : 787,739.10 = 170,061.80 : x
  2. Step 2: Convert to fraction form
    525,108.20/787,739.10 = 170,061.80/x
  3. Step 3: Cross multiply
    525,108.20x = 787,739.10 × 170,061.80
  4. Step 4: Simplify right side
    525,108.20x = 133,964,329,276.38
  5. Step 5: Solve for x
    x = 133,964,329,276.38/525,108.20
  6. Step 6: Final answer
    x = 255,117.57

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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.