Home / 127,864.15-176,491.23-74,162.36

Finding the Fourth Proportional to 127,864.15, 176,491.23 and 74,162.36

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Solution

The fourth proportional to 127,864.15, 176,491.23 and 74,162.36 is: 102,366.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,864.15 : 176,491.23 = 74,162.36 : x
  2. Step 2: Convert to fraction form
    127,864.15/176,491.23 = 74,162.36/x
  3. Step 3: Cross multiply
    127,864.15x = 176,491.23 × 74,162.36
  4. Step 4: Simplify right side
    127,864.15x = 13,089,006,136.10
  5. Step 5: Solve for x
    x = 13,089,006,136.10/127,864.15
  6. Step 6: Final answer
    x = 102,366.50

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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.