Home / 140,140.48-210,108.88-55,875.37

Finding the Fourth Proportional to 140,140.48, 210,108.88 and 55,875.37

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Solution

The fourth proportional to 140,140.48, 210,108.88 and 55,875.37 is: 83,772.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,140.48 : 210,108.88 = 55,875.37 : x
  2. Step 2: Convert to fraction form
    140,140.48/210,108.88 = 55,875.37/x
  3. Step 3: Cross multiply
    140,140.48x = 210,108.88 × 55,875.37
  4. Step 4: Simplify right side
    140,140.48x = 11,739,910,080.36
  5. Step 5: Solve for x
    x = 11,739,910,080.36/140,140.48
  6. Step 6: Final answer
    x = 83,772.44

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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.