Home / 216,914.41-325,438.05-97,072.20

Finding the Fourth Proportional to 216,914.41, 325,438.05 and 97,072.20

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Solution

The fourth proportional to 216,914.41, 325,438.05 and 97,072.20 is: 145,638.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,914.41 : 325,438.05 = 97,072.20 : x
  2. Step 2: Convert to fraction form
    216,914.41/325,438.05 = 97,072.20/x
  3. Step 3: Cross multiply
    216,914.41x = 325,438.05 × 97,072.20
  4. Step 4: Simplify right side
    216,914.41x = 31,590,986,925.94
  5. Step 5: Solve for x
    x = 31,590,986,925.94/216,914.41
  6. Step 6: Final answer
    x = 145,638.03

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1.5x scale

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.