Home / 208,700.96-288,005.16-113,205.62

Finding the Fourth Proportional to 208,700.96, 288,005.16 and 113,205.62

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Solution

The fourth proportional to 208,700.96, 288,005.16 and 113,205.62 is: 156,222.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,700.96 : 288,005.16 = 113,205.62 : x
  2. Step 2: Convert to fraction form
    208,700.96/288,005.16 = 113,205.62/x
  3. Step 3: Cross multiply
    208,700.96x = 288,005.16 × 113,205.62
  4. Step 4: Simplify right side
    208,700.96x = 32,603,802,701.00
  5. Step 5: Solve for x
    x = 32,603,802,701.00/208,700.96
  6. Step 6: Final answer
    x = 156,222.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.