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Finding the Fourth Proportional to 134,510.50, 185,637.45 and 74,894.50

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Solution

The fourth proportional to 134,510.50, 185,637.45 and 74,894.50 is: 103,361.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,510.50 : 185,637.45 = 74,894.50 : x
  2. Step 2: Convert to fraction form
    134,510.50/185,637.45 = 74,894.50/x
  3. Step 3: Cross multiply
    134,510.50x = 185,637.45 × 74,894.50
  4. Step 4: Simplify right side
    134,510.50x = 13,903,223,999.03
  5. Step 5: Solve for x
    x = 13,903,223,999.03/134,510.50
  6. Step 6: Final answer
    x = 103,361.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.