Home / 140,018.17-210,028.48-45,248.34

Finding the Fourth Proportional to 140,018.17, 210,028.48 and 45,248.34

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Solution

The fourth proportional to 140,018.17, 210,028.48 and 45,248.34 is: 67,872.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,018.17 : 210,028.48 = 45,248.34 : x
  2. Step 2: Convert to fraction form
    140,018.17/210,028.48 = 45,248.34/x
  3. Step 3: Cross multiply
    140,018.17x = 210,028.48 × 45,248.34
  4. Step 4: Simplify right side
    140,018.17x = 9,503,440,916.89
  5. Step 5: Solve for x
    x = 9,503,440,916.89/140,018.17
  6. Step 6: Final answer
    x = 67,872.91

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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.