Home / 216,674.55-325,271.03-121,980.15

Finding the Fourth Proportional to 216,674.55, 325,271.03 and 121,980.15

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Solution

The fourth proportional to 216,674.55, 325,271.03 and 121,980.15 is: 183,116.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,674.55 : 325,271.03 = 121,980.15 : x
  2. Step 2: Convert to fraction form
    216,674.55/325,271.03 = 121,980.15/x
  3. Step 3: Cross multiply
    216,674.55x = 325,271.03 × 121,980.15
  4. Step 4: Simplify right side
    216,674.55x = 39,676,608,420.15
  5. Step 5: Solve for x
    x = 39,676,608,420.15/216,674.55
  6. Step 6: Final answer
    x = 183,116.15

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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.