Home / 155,922.63-215,173.04-84,302.48

Finding the Fourth Proportional to 155,922.63, 215,173.04 and 84,302.48

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Solution

The fourth proportional to 155,922.63, 215,173.04 and 84,302.48 is: 116,337.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,922.63 : 215,173.04 = 84,302.48 : x
  2. Step 2: Convert to fraction form
    155,922.63/215,173.04 = 84,302.48/x
  3. Step 3: Cross multiply
    155,922.63x = 215,173.04 × 84,302.48
  4. Step 4: Simplify right side
    155,922.63x = 18,139,619,403.76
  5. Step 5: Solve for x
    x = 18,139,619,403.76/155,922.63
  6. Step 6: Final answer
    x = 116,337.31

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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.