Home / 140,156.31-210,255.27-45,354.72

Finding the Fourth Proportional to 140,156.31, 210,255.27 and 45,354.72

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Solution

The fourth proportional to 140,156.31, 210,255.27 and 45,354.72 is: 68,038.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,156.31 : 210,255.27 = 45,354.72 : x
  2. Step 2: Convert to fraction form
    140,156.31/210,255.27 = 45,354.72/x
  3. Step 3: Cross multiply
    140,156.31x = 210,255.27 × 45,354.72
  4. Step 4: Simplify right side
    140,156.31x = 9,536,068,899.37
  5. Step 5: Solve for x
    x = 9,536,068,899.37/140,156.31
  6. Step 6: Final answer
    x = 68,038.81

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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.