Home / 112,418.40-168,710.76-53,254.20

Finding the Fourth Proportional to 112,418.40, 168,710.76 and 53,254.20

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Solution

The fourth proportional to 112,418.40, 168,710.76 and 53,254.20 is: 79,920.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,418.40 : 168,710.76 = 53,254.20 : x
  2. Step 2: Convert to fraction form
    112,418.40/168,710.76 = 53,254.20/x
  3. Step 3: Cross multiply
    112,418.40x = 168,710.76 × 53,254.20
  4. Step 4: Simplify right side
    112,418.40x = 8,984,556,555.19
  5. Step 5: Solve for x
    x = 8,984,556,555.19/112,418.40
  6. Step 6: Final answer
    x = 79,920.69

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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.