Home / 208,820.63-288,170.93-113,325.28

Finding the Fourth Proportional to 208,820.63, 288,170.93 and 113,325.28

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Solution

The fourth proportional to 208,820.63, 288,170.93 and 113,325.28 is: 156,388.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,820.63 : 288,170.93 = 113,325.28 : x
  2. Step 2: Convert to fraction form
    208,820.63/288,170.93 = 113,325.28/x
  3. Step 3: Cross multiply
    208,820.63x = 288,170.93 × 113,325.28
  4. Step 4: Simplify right side
    208,820.63x = 32,657,050,893.00
  5. Step 5: Solve for x
    x = 32,657,050,893.00/208,820.63
  6. Step 6: Final answer
    x = 156,388.05

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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.