Home / 158,893.47-219,219.60-89,973.54

Finding the Fourth Proportional to 158,893.47, 219,219.60 and 89,973.54

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Solution

The fourth proportional to 158,893.47, 219,219.60 and 89,973.54 is: 124,133.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,893.47 : 219,219.60 = 89,973.54 : x
  2. Step 2: Convert to fraction form
    158,893.47/219,219.60 = 89,973.54/x
  3. Step 3: Cross multiply
    158,893.47x = 219,219.60 × 89,973.54
  4. Step 4: Simplify right side
    158,893.47x = 19,723,963,449.38
  5. Step 5: Solve for x
    x = 19,723,963,449.38/158,893.47
  6. Step 6: Final answer
    x = 124,133.25

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1.5x scale

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.