Home / 251,117.42-346,443.89-143,630.01

Finding the Fourth Proportional to 251,117.42, 346,443.89 and 143,630.01

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Solution

The fourth proportional to 251,117.42, 346,443.89 and 143,630.01 is: 198,153.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,117.42 : 346,443.89 = 143,630.01 : x
  2. Step 2: Convert to fraction form
    251,117.42/346,443.89 = 143,630.01/x
  3. Step 3: Cross multiply
    251,117.42x = 346,443.89 × 143,630.01
  4. Step 4: Simplify right side
    251,117.42x = 49,759,738,666.99
  5. Step 5: Solve for x
    x = 49,759,738,666.99/251,117.42
  6. Step 6: Final answer
    x = 198,153.28

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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.