Home / 112,378.90-168,592.97-42,258.22

Finding the Fourth Proportional to 112,378.90, 168,592.97 and 42,258.22

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Solution

The fourth proportional to 112,378.90, 168,592.97 and 42,258.22 is: 63,396.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,378.90 : 168,592.97 = 42,258.22 : x
  2. Step 2: Convert to fraction form
    112,378.90/168,592.97 = 42,258.22/x
  3. Step 3: Cross multiply
    112,378.90x = 168,592.97 × 42,258.22
  4. Step 4: Simplify right side
    112,378.90x = 7,124,437,762.46
  5. Step 5: Solve for x
    x = 7,124,437,762.46/112,378.90
  6. Step 6: Final answer
    x = 63,396.58

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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.