Home / 140,224.17-210,161.25-70,123.53

Finding the Fourth Proportional to 140,224.17, 210,161.25 and 70,123.53

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Solution

The fourth proportional to 140,224.17, 210,161.25 and 70,123.53 is: 105,097.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,224.17 : 210,161.25 = 70,123.53 : x
  2. Step 2: Convert to fraction form
    140,224.17/210,161.25 = 70,123.53/x
  3. Step 3: Cross multiply
    140,224.17x = 210,161.25 × 70,123.53
  4. Step 4: Simplify right side
    140,224.17x = 14,737,248,719.21
  5. Step 5: Solve for x
    x = 14,737,248,719.21/140,224.17
  6. Step 6: Final answer
    x = 105,097.78

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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.