Home / 102,923.40-154,385.10-40,585.80

Finding the Fourth Proportional to 102,923.40, 154,385.10 and 40,585.80

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Solution

The fourth proportional to 102,923.40, 154,385.10 and 40,585.80 is: 60,878.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,923.40 : 154,385.10 = 40,585.80 : x
  2. Step 2: Convert to fraction form
    102,923.40/154,385.10 = 40,585.80/x
  3. Step 3: Cross multiply
    102,923.40x = 154,385.10 × 40,585.80
  4. Step 4: Simplify right side
    102,923.40x = 6,265,842,791.58
  5. Step 5: Solve for x
    x = 6,265,842,791.58/102,923.40
  6. Step 6: Final answer
    x = 60,878.70

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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.