Home / 102,678.10-154,014.99-47,274.10

Finding the Fourth Proportional to 102,678.10, 154,014.99 and 47,274.10

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Solution

The fourth proportional to 102,678.10, 154,014.99 and 47,274.10 is: 70,910.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,678.10 : 154,014.99 = 47,274.10 : x
  2. Step 2: Convert to fraction form
    102,678.10/154,014.99 = 47,274.10/x
  3. Step 3: Cross multiply
    102,678.10x = 154,014.99 × 47,274.10
  4. Step 4: Simplify right side
    102,678.10x = 7,280,920,038.76
  5. Step 5: Solve for x
    x = 7,280,920,038.76/102,678.10
  6. Step 6: Final answer
    x = 70,910.16

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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.