Home / 139,784.10-209,676.15-34,603.07

Finding the Fourth Proportional to 139,784.10, 209,676.15 and 34,603.07

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Solution

The fourth proportional to 139,784.10, 209,676.15 and 34,603.07 is: 51,904.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,784.10 : 209,676.15 = 34,603.07 : x
  2. Step 2: Convert to fraction form
    139,784.10/209,676.15 = 34,603.07/x
  3. Step 3: Cross multiply
    139,784.10x = 209,676.15 × 34,603.07
  4. Step 4: Simplify right side
    139,784.10x = 7,255,438,582.29
  5. Step 5: Solve for x
    x = 7,255,438,582.29/139,784.10
  6. Step 6: Final answer
    x = 51,904.60

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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.