Home / 187,267.69-258,429.41-102,384.75

Finding the Fourth Proportional to 187,267.69, 258,429.41 and 102,384.75

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Solution

The fourth proportional to 187,267.69, 258,429.41 and 102,384.75 is: 141,290.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,267.69 : 258,429.41 = 102,384.75 : x
  2. Step 2: Convert to fraction form
    187,267.69/258,429.41 = 102,384.75/x
  3. Step 3: Cross multiply
    187,267.69x = 258,429.41 × 102,384.75
  4. Step 4: Simplify right side
    187,267.69x = 26,459,230,535.50
  5. Step 5: Solve for x
    x = 26,459,230,535.50/187,267.69
  6. Step 6: Final answer
    x = 141,290.95

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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.