Home / 152,368.31-210,198.49-98,670.65

Finding the Fourth Proportional to 152,368.31, 210,198.49 and 98,670.65

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Solution

The fourth proportional to 152,368.31, 210,198.49 and 98,670.65 is: 136,120.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,368.31 : 210,198.49 = 98,670.65 : x
  2. Step 2: Convert to fraction form
    152,368.31/210,198.49 = 98,670.65/x
  3. Step 3: Cross multiply
    152,368.31x = 210,198.49 × 98,670.65
  4. Step 4: Simplify right side
    152,368.31x = 20,740,420,339.65
  5. Step 5: Solve for x
    x = 20,740,420,339.65/152,368.31
  6. Step 6: Final answer
    x = 136,120.30

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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.