Home / 140,622.30-210,933.45-42,126.30

Finding the Fourth Proportional to 140,622.30, 210,933.45 and 42,126.30

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Solution

The fourth proportional to 140,622.30, 210,933.45 and 42,126.30 is: 63,189.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,622.30 : 210,933.45 = 42,126.30 : x
  2. Step 2: Convert to fraction form
    140,622.30/210,933.45 = 42,126.30/x
  3. Step 3: Cross multiply
    140,622.30x = 210,933.45 × 42,126.30
  4. Step 4: Simplify right side
    140,622.30x = 8,885,845,794.74
  5. Step 5: Solve for x
    x = 8,885,845,794.74/140,622.30
  6. Step 6: Final answer
    x = 63,189.45

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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.