Home / 209,525.22-288,943.74-140,770.02

Finding the Fourth Proportional to 209,525.22, 288,943.74 and 140,770.02

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Solution

The fourth proportional to 209,525.22, 288,943.74 and 140,770.02 is: 194,127.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,525.22 : 288,943.74 = 140,770.02 : x
  2. Step 2: Convert to fraction form
    209,525.22/288,943.74 = 140,770.02/x
  3. Step 3: Cross multiply
    209,525.22x = 288,943.74 × 140,770.02
  4. Step 4: Simplify right side
    209,525.22x = 40,674,616,058.67
  5. Step 5: Solve for x
    x = 40,674,616,058.67/209,525.22
  6. Step 6: Final answer
    x = 194,127.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.