Home / 142,973.82-197,354.95-97,619.26

Finding the Fourth Proportional to 142,973.82, 197,354.95 and 97,619.26

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Solution

The fourth proportional to 142,973.82, 197,354.95 and 97,619.26 is: 134,749.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,973.82 : 197,354.95 = 97,619.26 : x
  2. Step 2: Convert to fraction form
    142,973.82/197,354.95 = 97,619.26/x
  3. Step 3: Cross multiply
    142,973.82x = 197,354.95 × 97,619.26
  4. Step 4: Simplify right side
    142,973.82x = 19,265,644,176.34
  5. Step 5: Solve for x
    x = 19,265,644,176.34/142,973.82
  6. Step 6: Final answer
    x = 134,749.45

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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.