Home / 187,312.53-258,497.49-102,429.60

Finding the Fourth Proportional to 187,312.53, 258,497.49 and 102,429.60

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Solution

The fourth proportional to 187,312.53, 258,497.49 and 102,429.60 is: 141,356.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,312.53 : 258,497.49 = 102,429.60 : x
  2. Step 2: Convert to fraction form
    187,312.53/258,497.49 = 102,429.60/x
  3. Step 3: Cross multiply
    187,312.53x = 258,497.49 × 102,429.60
  4. Step 4: Simplify right side
    187,312.53x = 26,477,794,501.70
  5. Step 5: Solve for x
    x = 26,477,794,501.70/187,312.53
  6. Step 6: Final answer
    x = 141,356.24

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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.