Home / 84,334.10-116,397.29-54,157.55

Finding the Fourth Proportional to 84,334.10, 116,397.29 and 54,157.55

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Solution

The fourth proportional to 84,334.10, 116,397.29 and 54,157.55 is: 74,747.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,334.10 : 116,397.29 = 54,157.55 : x
  2. Step 2: Convert to fraction form
    84,334.10/116,397.29 = 54,157.55/x
  3. Step 3: Cross multiply
    84,334.10x = 116,397.29 × 54,157.55
  4. Step 4: Simplify right side
    84,334.10x = 6,303,791,200.27
  5. Step 5: Solve for x
    x = 6,303,791,200.27/84,334.10
  6. Step 6: Final answer
    x = 74,747.84

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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.