Home / 112,464.20-168,501.90-53,172.20

Finding the Fourth Proportional to 112,464.20, 168,501.90 and 53,172.20

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Solution

The fourth proportional to 112,464.20, 168,501.90 and 53,172.20 is: 79,666.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,464.20 : 168,501.90 = 53,172.20 : x
  2. Step 2: Convert to fraction form
    112,464.20/168,501.90 = 53,172.20/x
  3. Step 3: Cross multiply
    112,464.20x = 168,501.90 × 53,172.20
  4. Step 4: Simplify right side
    112,464.20x = 8,959,616,727.18
  5. Step 5: Solve for x
    x = 8,959,616,727.18/112,464.20
  6. Step 6: Final answer
    x = 79,666.39

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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.