Home / 124,065.12-171,254.40-73,764

Finding the Fourth Proportional to 124,065.12, 171,254.40 and 73,764

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Solution

The fourth proportional to 124,065.12, 171,254.40 and 73,764 is: 101,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,065.12 : 171,254.40 = 73,764 : x
  2. Step 2: Convert to fraction form
    124,065.12/171,254.40 = 73,764/x
  3. Step 3: Cross multiply
    124,065.12x = 171,254.40 × 73,764
  4. Step 4: Simplify right side
    124,065.12x = 12,632,409,561.60
  5. Step 5: Solve for x
    x = 12,632,409,561.60/124,065.12
  6. Step 6: Final answer
    x = 101,820.80

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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.