Home / 170,366.31-255,707.73-86,185.98

Finding the Fourth Proportional to 170,366.31, 255,707.73 and 86,185.98

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Solution

The fourth proportional to 170,366.31, 255,707.73 and 86,185.98 is: 129,359.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,366.31 : 255,707.73 = 86,185.98 : x
  2. Step 2: Convert to fraction form
    170,366.31/255,707.73 = 86,185.98/x
  3. Step 3: Cross multiply
    170,366.31x = 255,707.73 × 86,185.98
  4. Step 4: Simplify right side
    170,366.31x = 22,038,421,303.63
  5. Step 5: Solve for x
    x = 22,038,421,303.63/170,366.31
  6. Step 6: Final answer
    x = 129,359.03

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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.