Home / 189,005.08-283,409.18-89,138.46

Finding the Fourth Proportional to 189,005.08, 283,409.18 and 89,138.46

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Solution

The fourth proportional to 189,005.08, 283,409.18 and 89,138.46 is: 133,661.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,005.08 : 283,409.18 = 89,138.46 : x
  2. Step 2: Convert to fraction form
    189,005.08/283,409.18 = 89,138.46/x
  3. Step 3: Cross multiply
    189,005.08x = 283,409.18 × 89,138.46
  4. Step 4: Simplify right side
    189,005.08x = 25,262,657,855.06
  5. Step 5: Solve for x
    x = 25,262,657,855.06/189,005.08
  6. Step 6: Final answer
    x = 133,661.26

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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.