Home / 112,175.28-168,216.84-42,018.48

Finding the Fourth Proportional to 112,175.28, 168,216.84 and 42,018.48

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Solution

The fourth proportional to 112,175.28, 168,216.84 and 42,018.48 is: 63,010.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,175.28 : 168,216.84 = 42,018.48 : x
  2. Step 2: Convert to fraction form
    112,175.28/168,216.84 = 42,018.48/x
  3. Step 3: Cross multiply
    112,175.28x = 168,216.84 × 42,018.48
  4. Step 4: Simplify right side
    112,175.28x = 7,068,215,927.20
  5. Step 5: Solve for x
    x = 7,068,215,927.20/112,175.28
  6. Step 6: Final answer
    x = 63,010.46

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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.