Home / 170,370.20-234,892.53-139,630.16

Finding the Fourth Proportional to 170,370.20, 234,892.53 and 139,630.16

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Solution

The fourth proportional to 170,370.20, 234,892.53 and 139,630.16 is: 192,510.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,370.20 : 234,892.53 = 139,630.16 : x
  2. Step 2: Convert to fraction form
    170,370.20/234,892.53 = 139,630.16/x
  3. Step 3: Cross multiply
    170,370.20x = 234,892.53 × 139,630.16
  4. Step 4: Simplify right side
    170,370.20x = 32,798,080,372.24
  5. Step 5: Solve for x
    x = 32,798,080,372.24/170,370.20
  6. Step 6: Final answer
    x = 192,510.67

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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.