Home / 154,725.60-213,480.52-89,298.16

Finding the Fourth Proportional to 154,725.60, 213,480.52 and 89,298.16

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Solution

The fourth proportional to 154,725.60, 213,480.52 and 89,298.16 is: 123,207.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,725.60 : 213,480.52 = 89,298.16 : x
  2. Step 2: Convert to fraction form
    154,725.60/213,480.52 = 89,298.16/x
  3. Step 3: Cross multiply
    154,725.60x = 213,480.52 × 89,298.16
  4. Step 4: Simplify right side
    154,725.60x = 19,063,417,631.84
  5. Step 5: Solve for x
    x = 19,063,417,631.84/154,725.60
  6. Step 6: Final answer
    x = 123,207.91

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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.