Home / 112,181.84-168,223.46-42,011.92

Finding the Fourth Proportional to 112,181.84, 168,223.46 and 42,011.92

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Solution

The fourth proportional to 112,181.84, 168,223.46 and 42,011.92 is: 62,999.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,181.84 : 168,223.46 = 42,011.92 : x
  2. Step 2: Convert to fraction form
    112,181.84/168,223.46 = 42,011.92/x
  3. Step 3: Cross multiply
    112,181.84x = 168,223.46 × 42,011.92
  4. Step 4: Simplify right side
    112,181.84x = 7,067,390,543.64
  5. Step 5: Solve for x
    x = 7,067,390,543.64/112,181.84
  6. Step 6: Final answer
    x = 62,999.42

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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.