Home / 84,219.12-116,219.34-46,492.56

Finding the Fourth Proportional to 84,219.12, 116,219.34 and 46,492.56

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Solution

The fourth proportional to 84,219.12, 116,219.34 and 46,492.56 is: 64,158.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,219.12 : 116,219.34 = 46,492.56 : x
  2. Step 2: Convert to fraction form
    84,219.12/116,219.34 = 46,492.56/x
  3. Step 3: Cross multiply
    84,219.12x = 116,219.34 × 46,492.56
  4. Step 4: Simplify right side
    84,219.12x = 5,403,334,638.11
  5. Step 5: Solve for x
    x = 5,403,334,638.11/84,219.12
  6. Step 6: Final answer
    x = 64,158.05

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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.