Home / 111,880.20-167,820.30-38,008.20

Finding the Fourth Proportional to 111,880.20, 167,820.30 and 38,008.20

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Solution

The fourth proportional to 111,880.20, 167,820.30 and 38,008.20 is: 57,012.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,880.20 : 167,820.30 = 38,008.20 : x
  2. Step 2: Convert to fraction form
    111,880.20/167,820.30 = 38,008.20/x
  3. Step 3: Cross multiply
    111,880.20x = 167,820.30 × 38,008.20
  4. Step 4: Simplify right side
    111,880.20x = 6,378,547,526.46
  5. Step 5: Solve for x
    x = 6,378,547,526.46/111,880.20
  6. Step 6: Final answer
    x = 57,012.30

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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.