Home / 103,267.71-142,495.81-57,943.96

Finding the Fourth Proportional to 103,267.71, 142,495.81 and 57,943.96

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Solution

The fourth proportional to 103,267.71, 142,495.81 and 57,943.96 is: 79,955.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,267.71 : 142,495.81 = 57,943.96 : x
  2. Step 2: Convert to fraction form
    103,267.71/142,495.81 = 57,943.96/x
  3. Step 3: Cross multiply
    103,267.71x = 142,495.81 × 57,943.96
  4. Step 4: Simplify right side
    103,267.71x = 8,256,771,013.71
  5. Step 5: Solve for x
    x = 8,256,771,013.71/103,267.71
  6. Step 6: Final answer
    x = 79,955.01

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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.