Home / 140,657.34-210,986.02-42,161.34

Finding the Fourth Proportional to 140,657.34, 210,986.02 and 42,161.34

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Solution

The fourth proportional to 140,657.34, 210,986.02 and 42,161.34 is: 63,242.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,657.34 : 210,986.02 = 42,161.34 : x
  2. Step 2: Convert to fraction form
    140,657.34/210,986.02 = 42,161.34/x
  3. Step 3: Cross multiply
    140,657.34x = 210,986.02 × 42,161.34
  4. Step 4: Simplify right side
    140,657.34x = 8,895,453,931.21
  5. Step 5: Solve for x
    x = 8,895,453,931.21/140,657.34
  6. Step 6: Final answer
    x = 63,242.02

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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.