Home / 208,701.64-288,000.48-113,205.16

Finding the Fourth Proportional to 208,701.64, 288,000.48 and 113,205.16

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Solution

The fourth proportional to 208,701.64, 288,000.48 and 113,205.16 is: 156,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,701.64 : 288,000.48 = 113,205.16 : x
  2. Step 2: Convert to fraction form
    208,701.64/288,000.48 = 113,205.16/x
  3. Step 3: Cross multiply
    208,701.64x = 288,000.48 × 113,205.16
  4. Step 4: Simplify right side
    208,701.64x = 32,603,140,418.48
  5. Step 5: Solve for x
    x = 32,603,140,418.48/208,701.64
  6. Step 6: Final answer
    x = 156,218.90

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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.