Home / 140,541.58-210,827.13-45,779.15

Finding the Fourth Proportional to 140,541.58, 210,827.13 and 45,779.15

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Solution

The fourth proportional to 140,541.58, 210,827.13 and 45,779.15 is: 68,673.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,541.58 : 210,827.13 = 45,779.15 : x
  2. Step 2: Convert to fraction form
    140,541.58/210,827.13 = 45,779.15/x
  3. Step 3: Cross multiply
    140,541.58x = 210,827.13 × 45,779.15
  4. Step 4: Simplify right side
    140,541.58x = 9,651,486,808.34
  5. Step 5: Solve for x
    x = 9,651,486,808.34/140,541.58
  6. Step 6: Final answer
    x = 68,673.53

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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.