Home / 111,380.20-167,070.30-93,009.40

Finding the Fourth Proportional to 111,380.20, 167,070.30 and 93,009.40

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Solution

The fourth proportional to 111,380.20, 167,070.30 and 93,009.40 is: 139,514.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,380.20 : 167,070.30 = 93,009.40 : x
  2. Step 2: Convert to fraction form
    111,380.20/167,070.30 = 93,009.40/x
  3. Step 3: Cross multiply
    111,380.20x = 167,070.30 × 93,009.40
  4. Step 4: Simplify right side
    111,380.20x = 15,539,108,360.82
  5. Step 5: Solve for x
    x = 15,539,108,360.82/111,380.20
  6. Step 6: Final answer
    x = 139,514.10

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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.