Home / 154,488.96-213,181.44-89,948.16

Finding the Fourth Proportional to 154,488.96, 213,181.44 and 89,948.16

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Solution

The fourth proportional to 154,488.96, 213,181.44 and 89,948.16 is: 124,120.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,488.96 : 213,181.44 = 89,948.16 : x
  2. Step 2: Convert to fraction form
    154,488.96/213,181.44 = 89,948.16/x
  3. Step 3: Cross multiply
    154,488.96x = 213,181.44 × 89,948.16
  4. Step 4: Simplify right side
    154,488.96x = 19,175,278,274.15
  5. Step 5: Solve for x
    x = 19,175,278,274.15/154,488.96
  6. Step 6: Final answer
    x = 124,120.70

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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.