Home / 136,996.38-205,464.20-42,210.99

Finding the Fourth Proportional to 136,996.38, 205,464.20 and 42,210.99

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Solution

The fourth proportional to 136,996.38, 205,464.20 and 42,210.99 is: 63,307.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,996.38 : 205,464.20 = 42,210.99 : x
  2. Step 2: Convert to fraction form
    136,996.38/205,464.20 = 42,210.99/x
  3. Step 3: Cross multiply
    136,996.38x = 205,464.20 × 42,210.99
  4. Step 4: Simplify right side
    136,996.38x = 8,672,847,080.50
  5. Step 5: Solve for x
    x = 8,672,847,080.50/136,996.38
  6. Step 6: Final answer
    x = 63,307.13

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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.