Home / 140,330.30-210,566.55-61,445.30

Finding the Fourth Proportional to 140,330.30, 210,566.55 and 61,445.30

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Solution

The fourth proportional to 140,330.30, 210,566.55 and 61,445.30 is: 92,199.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,330.30 : 210,566.55 = 61,445.30 : x
  2. Step 2: Convert to fraction form
    140,330.30/210,566.55 = 61,445.30/x
  3. Step 3: Cross multiply
    140,330.30x = 210,566.55 × 61,445.30
  4. Step 4: Simplify right side
    140,330.30x = 12,938,324,834.72
  5. Step 5: Solve for x
    x = 12,938,324,834.72/140,330.30
  6. Step 6: Final answer
    x = 92,199.08

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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.