Home / 124,005.20-185,748.60-68,536.40

Finding the Fourth Proportional to 124,005.20, 185,748.60 and 68,536.40

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Solution

The fourth proportional to 124,005.20, 185,748.60 and 68,536.40 is: 102,661.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,005.20 : 185,748.60 = 68,536.40 : x
  2. Step 2: Convert to fraction form
    124,005.20/185,748.60 = 68,536.40/x
  3. Step 3: Cross multiply
    124,005.20x = 185,748.60 × 68,536.40
  4. Step 4: Simplify right side
    124,005.20x = 12,730,540,349.04
  5. Step 5: Solve for x
    x = 12,730,540,349.04/124,005.20
  6. Step 6: Final answer
    x = 102,661.34

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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.