Home / 189,485.02-261,482.48-104,600.26

Finding the Fourth Proportional to 189,485.02, 261,482.48 and 104,600.26

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Solution

The fourth proportional to 189,485.02, 261,482.48 and 104,600.26 is: 144,344.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,485.02 : 261,482.48 = 104,600.26 : x
  2. Step 2: Convert to fraction form
    189,485.02/261,482.48 = 104,600.26/x
  3. Step 3: Cross multiply
    189,485.02x = 261,482.48 × 104,600.26
  4. Step 4: Simplify right side
    189,485.02x = 27,351,134,870.44
  5. Step 5: Solve for x
    x = 27,351,134,870.44/189,485.02
  6. Step 6: Final answer
    x = 144,344.58

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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.