Home / 140,010.30-210,015.45-51,327.45

Finding the Fourth Proportional to 140,010.30, 210,015.45 and 51,327.45

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Solution

The fourth proportional to 140,010.30, 210,015.45 and 51,327.45 is: 76,991.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,010.30 : 210,015.45 = 51,327.45 : x
  2. Step 2: Convert to fraction form
    140,010.30/210,015.45 = 51,327.45/x
  3. Step 3: Cross multiply
    140,010.30x = 210,015.45 × 51,327.45
  4. Step 4: Simplify right side
    140,010.30x = 10,779,557,509.10
  5. Step 5: Solve for x
    x = 10,779,557,509.10/140,010.30
  6. Step 6: Final answer
    x = 76,991.18

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1.5x scale

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.