Home / 170,635.74-235,466.16-102,640.10

Finding the Fourth Proportional to 170,635.74, 235,466.16 and 102,640.10

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Solution

The fourth proportional to 170,635.74, 235,466.16 and 102,640.10 is: 141,636.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,635.74 : 235,466.16 = 102,640.10 : x
  2. Step 2: Convert to fraction form
    170,635.74/235,466.16 = 102,640.10/x
  3. Step 3: Cross multiply
    170,635.74x = 235,466.16 × 102,640.10
  4. Step 4: Simplify right side
    170,635.74x = 24,168,269,031.69
  5. Step 5: Solve for x
    x = 24,168,269,031.69/170,635.74
  6. Step 6: Final answer
    x = 141,636.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.