Home / 85,270.17-127,905.63-22,085.81

Finding the Fourth Proportional to 85,270.17, 127,905.63 and 22,085.81

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Solution

The fourth proportional to 85,270.17, 127,905.63 and 22,085.81 is: 33,128.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,270.17 : 127,905.63 = 22,085.81 : x
  2. Step 2: Convert to fraction form
    85,270.17/127,905.63 = 22,085.81/x
  3. Step 3: Cross multiply
    85,270.17x = 127,905.63 × 22,085.81
  4. Step 4: Simplify right side
    85,270.17x = 2,824,898,802.58
  5. Step 5: Solve for x
    x = 2,824,898,802.58/85,270.17
  6. Step 6: Final answer
    x = 33,128.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.