Home / 142,283.81-196,392.56-93,921.04

Finding the Fourth Proportional to 142,283.81, 196,392.56 and 93,921.04

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Solution

The fourth proportional to 142,283.81, 196,392.56 and 93,921.04 is: 129,638.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,283.81 : 196,392.56 = 93,921.04 : x
  2. Step 2: Convert to fraction form
    142,283.81/196,392.56 = 93,921.04/x
  3. Step 3: Cross multiply
    142,283.81x = 196,392.56 × 93,921.04
  4. Step 4: Simplify right side
    142,283.81x = 18,445,393,483.46
  5. Step 5: Solve for x
    x = 18,445,393,483.46/142,283.81
  6. Step 6: Final answer
    x = 129,638.03

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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.