Home / 94,158-129,938.16-51,717.36

Finding the Fourth Proportional to 94,158, 129,938.16 and 51,717.36

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Solution

The fourth proportional to 94,158, 129,938.16 and 51,717.36 is: 71,370.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,158 : 129,938.16 = 51,717.36 : x
  2. Step 2: Convert to fraction form
    94,158/129,938.16 = 51,717.36/x
  3. Step 3: Cross multiply
    94,158x = 129,938.16 × 51,717.36
  4. Step 4: Simplify right side
    94,158x = 6,720,058,598.46
  5. Step 5: Solve for x
    x = 6,720,058,598.46/94,158
  6. Step 6: Final answer
    x = 71,370.02

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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.