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Finding the Fourth Proportional to 102,006.40, 152,904.30 and 45,873.40

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Solution

The fourth proportional to 102,006.40, 152,904.30 and 45,873.40 is: 68,762.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,006.40 : 152,904.30 = 45,873.40 : x
  2. Step 2: Convert to fraction form
    102,006.40/152,904.30 = 45,873.40/x
  3. Step 3: Cross multiply
    102,006.40x = 152,904.30 × 45,873.40
  4. Step 4: Simplify right side
    102,006.40x = 7,014,240,115.62
  5. Step 5: Solve for x
    x = 7,014,240,115.62/102,006.40
  6. Step 6: Final answer
    x = 68,762.75

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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.