Home / 104,907.12-144,728.48-73,094.47

Finding the Fourth Proportional to 104,907.12, 144,728.48 and 73,094.47

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Solution

The fourth proportional to 104,907.12, 144,728.48 and 73,094.47 is: 100,840.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,907.12 : 144,728.48 = 73,094.47 : x
  2. Step 2: Convert to fraction form
    104,907.12/144,728.48 = 73,094.47/x
  3. Step 3: Cross multiply
    104,907.12x = 144,728.48 × 73,094.47
  4. Step 4: Simplify right side
    104,907.12x = 10,578,851,360.42
  5. Step 5: Solve for x
    x = 10,578,851,360.42/104,907.12
  6. Step 6: Final answer
    x = 100,840.17

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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.