Home / 112,206.80-168,215.96-48,978.81

Finding the Fourth Proportional to 112,206.80, 168,215.96 and 48,978.81

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Solution

The fourth proportional to 112,206.80, 168,215.96 and 48,978.81 is: 73,427.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,206.80 : 168,215.96 = 48,978.81 : x
  2. Step 2: Convert to fraction form
    112,206.80/168,215.96 = 48,978.81/x
  3. Step 3: Cross multiply
    112,206.80x = 168,215.96 × 48,978.81
  4. Step 4: Simplify right side
    112,206.80x = 8,239,017,298.91
  5. Step 5: Solve for x
    x = 8,239,017,298.91/112,206.80
  6. Step 6: Final answer
    x = 73,427.08

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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.