Home / 155,036.90-213,893.52-97,660.82

Finding the Fourth Proportional to 155,036.90, 213,893.52 and 97,660.82

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Solution

The fourth proportional to 155,036.90, 213,893.52 and 97,660.82 is: 134,735.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,036.90 : 213,893.52 = 97,660.82 : x
  2. Step 2: Convert to fraction form
    155,036.90/213,893.52 = 97,660.82/x
  3. Step 3: Cross multiply
    155,036.90x = 213,893.52 × 97,660.82
  4. Step 4: Simplify right side
    155,036.90x = 20,889,016,555.89
  5. Step 5: Solve for x
    x = 20,889,016,555.89/155,036.90
  6. Step 6: Final answer
    x = 134,735.77

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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.