Home / 127,954.21-176,577.05-71,369.23

Finding the Fourth Proportional to 127,954.21, 176,577.05 and 71,369.23

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Solution

The fourth proportional to 127,954.21, 176,577.05 and 71,369.23 is: 98,489.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,954.21 : 176,577.05 = 71,369.23 : x
  2. Step 2: Convert to fraction form
    127,954.21/176,577.05 = 71,369.23/x
  3. Step 3: Cross multiply
    127,954.21x = 176,577.05 × 71,369.23
  4. Step 4: Simplify right side
    127,954.21x = 12,602,168,094.17
  5. Step 5: Solve for x
    x = 12,602,168,094.17/127,954.21
  6. Step 6: Final answer
    x = 98,489.67

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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.