Home / 208,154.27-312,237.33-66,000.18

Finding the Fourth Proportional to 208,154.27, 312,237.33 and 66,000.18

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Solution

The fourth proportional to 208,154.27, 312,237.33 and 66,000.18 is: 99,002.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,154.27 : 312,237.33 = 66,000.18 : x
  2. Step 2: Convert to fraction form
    208,154.27/312,237.33 = 66,000.18/x
  3. Step 3: Cross multiply
    208,154.27x = 312,237.33 × 66,000.18
  4. Step 4: Simplify right side
    208,154.27x = 20,607,721,277.36
  5. Step 5: Solve for x
    x = 20,607,721,277.36/208,154.27
  6. Step 6: Final answer
    x = 99,002.15

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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.