Home / 140,602.42-210,638.70-69,441.76

Finding the Fourth Proportional to 140,602.42, 210,638.70 and 69,441.76

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Solution

The fourth proportional to 140,602.42, 210,638.70 and 69,441.76 is: 104,031.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,602.42 : 210,638.70 = 69,441.76 : x
  2. Step 2: Convert to fraction form
    140,602.42/210,638.70 = 69,441.76/x
  3. Step 3: Cross multiply
    140,602.42x = 210,638.70 × 69,441.76
  4. Step 4: Simplify right side
    140,602.42x = 14,627,122,052.11
  5. Step 5: Solve for x
    x = 14,627,122,052.11/140,602.42
  6. Step 6: Final answer
    x = 104,031.79

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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.