Home / 134,860.30-202,347.15-72,457.90

Finding the Fourth Proportional to 134,860.30, 202,347.15 and 72,457.90

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Solution

The fourth proportional to 134,860.30, 202,347.15 and 72,457.90 is: 108,717.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,860.30 : 202,347.15 = 72,457.90 : x
  2. Step 2: Convert to fraction form
    134,860.30/202,347.15 = 72,457.90/x
  3. Step 3: Cross multiply
    134,860.30x = 202,347.15 × 72,457.90
  4. Step 4: Simplify right side
    134,860.30x = 14,661,649,559.99
  5. Step 5: Solve for x
    x = 14,661,649,559.99/134,860.30
  6. Step 6: Final answer
    x = 108,717.31

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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.