Home / 163,934.80-245,902.20-53,126.80

Finding the Fourth Proportional to 163,934.80, 245,902.20 and 53,126.80

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Solution

The fourth proportional to 163,934.80, 245,902.20 and 53,126.80 is: 79,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,934.80 : 245,902.20 = 53,126.80 : x
  2. Step 2: Convert to fraction form
    163,934.80/245,902.20 = 53,126.80/x
  3. Step 3: Cross multiply
    163,934.80x = 245,902.20 × 53,126.80
  4. Step 4: Simplify right side
    163,934.80x = 13,063,996,998.96
  5. Step 5: Solve for x
    x = 13,063,996,998.96/163,934.80
  6. Step 6: Final answer
    x = 79,690.20

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1.5x scale

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.