Home / 189,007.20-282,927.60-109,886.40

Finding the Fourth Proportional to 189,007.20, 282,927.60 and 109,886.40

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Solution

The fourth proportional to 189,007.20, 282,927.60 and 109,886.40 is: 164,490.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,007.20 : 282,927.60 = 109,886.40 : x
  2. Step 2: Convert to fraction form
    189,007.20/282,927.60 = 109,886.40/x
  3. Step 3: Cross multiply
    189,007.20x = 282,927.60 × 109,886.40
  4. Step 4: Simplify right side
    189,007.20x = 31,089,895,424.64
  5. Step 5: Solve for x
    x = 31,089,895,424.64/189,007.20
  6. Step 6: Final answer
    x = 164,490.53

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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.