Home / 140,119.34-210,140.10-38,894.12

Finding the Fourth Proportional to 140,119.34, 210,140.10 and 38,894.12

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Solution

The fourth proportional to 140,119.34, 210,140.10 and 38,894.12 is: 58,330.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,119.34 : 210,140.10 = 38,894.12 : x
  2. Step 2: Convert to fraction form
    140,119.34/210,140.10 = 38,894.12/x
  3. Step 3: Cross multiply
    140,119.34x = 210,140.10 × 38,894.12
  4. Step 4: Simplify right side
    140,119.34x = 8,173,215,076.19
  5. Step 5: Solve for x
    x = 8,173,215,076.19/140,119.34
  6. Step 6: Final answer
    x = 58,330.38

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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.