Home / 187,526.52-258,786.45-102,643.50

Finding the Fourth Proportional to 187,526.52, 258,786.45 and 102,643.50

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Solution

The fourth proportional to 187,526.52, 258,786.45 and 102,643.50 is: 141,647.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,526.52 : 258,786.45 = 102,643.50 : x
  2. Step 2: Convert to fraction form
    187,526.52/258,786.45 = 102,643.50/x
  3. Step 3: Cross multiply
    187,526.52x = 258,786.45 × 102,643.50
  4. Step 4: Simplify right side
    187,526.52x = 26,562,746,980.58
  5. Step 5: Solve for x
    x = 26,562,746,980.58/187,526.52
  6. Step 6: Final answer
    x = 141,647.95

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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.