Home / 152,985.63-229,283.73-86,462.85

Finding the Fourth Proportional to 152,985.63, 229,283.73 and 86,462.85

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Solution

The fourth proportional to 152,985.63, 229,283.73 and 86,462.85 is: 129,584.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,985.63 : 229,283.73 = 86,462.85 : x
  2. Step 2: Convert to fraction form
    152,985.63/229,283.73 = 86,462.85/x
  3. Step 3: Cross multiply
    152,985.63x = 229,283.73 × 86,462.85
  4. Step 4: Simplify right side
    152,985.63x = 19,824,524,754.43
  5. Step 5: Solve for x
    x = 19,824,524,754.43/152,985.63
  6. Step 6: Final answer
    x = 129,584.23

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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.