Home / 112,378.36-168,592.64-42,258.28

Finding the Fourth Proportional to 112,378.36, 168,592.64 and 42,258.28

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Solution

The fourth proportional to 112,378.36, 168,592.64 and 42,258.28 is: 63,396.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,378.36 : 168,592.64 = 42,258.28 : x
  2. Step 2: Convert to fraction form
    112,378.36/168,592.64 = 42,258.28/x
  3. Step 3: Cross multiply
    112,378.36x = 168,592.64 × 42,258.28
  4. Step 4: Simplify right side
    112,378.36x = 7,124,434,987.06
  5. Step 5: Solve for x
    x = 7,124,434,987.06/112,378.36
  6. Step 6: Final answer
    x = 63,396.86

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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.