Home / 170,401.40-255,602.10-107,415.80

Finding the Fourth Proportional to 170,401.40, 255,602.10 and 107,415.80

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Solution

The fourth proportional to 170,401.40, 255,602.10 and 107,415.80 is: 161,123.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,401.40 : 255,602.10 = 107,415.80 : x
  2. Step 2: Convert to fraction form
    170,401.40/255,602.10 = 107,415.80/x
  3. Step 3: Cross multiply
    170,401.40x = 255,602.10 × 107,415.80
  4. Step 4: Simplify right side
    170,401.40x = 27,455,704,053.18
  5. Step 5: Solve for x
    x = 27,455,704,053.18/170,401.40
  6. Step 6: Final answer
    x = 161,123.70

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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.