Home / 137,626.04-189,853.92-89,907.32

Finding the Fourth Proportional to 137,626.04, 189,853.92 and 89,907.32

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Solution

The fourth proportional to 137,626.04, 189,853.92 and 89,907.32 is: 124,026.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,626.04 : 189,853.92 = 89,907.32 : x
  2. Step 2: Convert to fraction form
    137,626.04/189,853.92 = 89,907.32/x
  3. Step 3: Cross multiply
    137,626.04x = 189,853.92 × 89,907.32
  4. Step 4: Simplify right side
    137,626.04x = 17,069,257,138.69
  5. Step 5: Solve for x
    x = 17,069,257,138.69/137,626.04
  6. Step 6: Final answer
    x = 124,026.36

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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.