Home / 140,454.60-210,702.90-51,701.34

Finding the Fourth Proportional to 140,454.60, 210,702.90 and 51,701.34

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Solution

The fourth proportional to 140,454.60, 210,702.90 and 51,701.34 is: 77,559.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,454.60 : 210,702.90 = 51,701.34 : x
  2. Step 2: Convert to fraction form
    140,454.60/210,702.90 = 51,701.34/x
  3. Step 3: Cross multiply
    140,454.60x = 210,702.90 × 51,701.34
  4. Step 4: Simplify right side
    140,454.60x = 10,893,622,271.89
  5. Step 5: Solve for x
    x = 10,893,622,271.89/140,454.60
  6. Step 6: Final answer
    x = 77,559.74

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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.