Home / 169,631.60-254,447.40-168,465.20

Finding the Fourth Proportional to 169,631.60, 254,447.40 and 168,465.20

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Solution

The fourth proportional to 169,631.60, 254,447.40 and 168,465.20 is: 252,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,631.60 : 254,447.40 = 168,465.20 : x
  2. Step 2: Convert to fraction form
    169,631.60/254,447.40 = 168,465.20/x
  3. Step 3: Cross multiply
    169,631.60x = 254,447.40 × 168,465.20
  4. Step 4: Simplify right side
    169,631.60x = 42,865,532,130.48
  5. Step 5: Solve for x
    x = 42,865,532,130.48/169,631.60
  6. Step 6: Final answer
    x = 252,697.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.