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Finding the Fourth Proportional to 158,794.60, 238,364.70 and 88,810.60

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Solution

The fourth proportional to 158,794.60, 238,364.70 and 88,810.60 is: 133,312.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,794.60 : 238,364.70 = 88,810.60 : x
  2. Step 2: Convert to fraction form
    158,794.60/238,364.70 = 88,810.60/x
  3. Step 3: Cross multiply
    158,794.60x = 238,364.70 × 88,810.60
  4. Step 4: Simplify right side
    158,794.60x = 21,169,312,025.82
  5. Step 5: Solve for x
    x = 21,169,312,025.82/158,794.60
  6. Step 6: Final answer
    x = 133,312.54

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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.