Home / 140,430.52-210,645.74-56,228.60

Finding the Fourth Proportional to 140,430.52, 210,645.74 and 56,228.60

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Solution

The fourth proportional to 140,430.52, 210,645.74 and 56,228.60 is: 84,342.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,430.52 : 210,645.74 = 56,228.60 : x
  2. Step 2: Convert to fraction form
    140,430.52/210,645.74 = 56,228.60/x
  3. Step 3: Cross multiply
    140,430.52x = 210,645.74 × 56,228.60
  4. Step 4: Simplify right side
    140,430.52x = 11,844,315,056.16
  5. Step 5: Solve for x
    x = 11,844,315,056.16/140,430.52
  6. Step 6: Final answer
    x = 84,342.88

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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.