Home / 187,105.02-258,204.15-102,223.50

Finding the Fourth Proportional to 187,105.02, 258,204.15 and 102,223.50

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Solution

The fourth proportional to 187,105.02, 258,204.15 and 102,223.50 is: 141,068.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,105.02 : 258,204.15 = 102,223.50 : x
  2. Step 2: Convert to fraction form
    187,105.02/258,204.15 = 102,223.50/x
  3. Step 3: Cross multiply
    187,105.02x = 258,204.15 × 102,223.50
  4. Step 4: Simplify right side
    187,105.02x = 26,394,531,927.53
  5. Step 5: Solve for x
    x = 26,394,531,927.53/187,105.02
  6. Step 6: Final answer
    x = 141,068.01

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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.