Home / 208,895.26-313,312.82-66,756.74

Finding the Fourth Proportional to 208,895.26, 313,312.82 and 66,756.74

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Solution

The fourth proportional to 208,895.26, 313,312.82 and 66,756.74 is: 100,125.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,895.26 : 313,312.82 = 66,756.74 : x
  2. Step 2: Convert to fraction form
    208,895.26/313,312.82 = 66,756.74/x
  3. Step 3: Cross multiply
    208,895.26x = 313,312.82 × 66,756.74
  4. Step 4: Simplify right side
    208,895.26x = 20,915,742,463.41
  5. Step 5: Solve for x
    x = 20,915,742,463.41/208,895.26
  6. Step 6: Final answer
    x = 100,125.50

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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.