Home / 172,931.88-238,605.36-104,947.34

Finding the Fourth Proportional to 172,931.88, 238,605.36 and 104,947.34

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Solution

The fourth proportional to 172,931.88, 238,605.36 and 104,947.34 is: 144,802.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,931.88 : 238,605.36 = 104,947.34 : x
  2. Step 2: Convert to fraction form
    172,931.88/238,605.36 = 104,947.34/x
  3. Step 3: Cross multiply
    172,931.88x = 238,605.36 × 104,947.34
  4. Step 4: Simplify right side
    172,931.88x = 25,040,997,841.74
  5. Step 5: Solve for x
    x = 25,040,997,841.74/172,931.88
  6. Step 6: Final answer
    x = 144,802.67

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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.