Home / 121,307.60-167,416.80-67,601.36

Finding the Fourth Proportional to 121,307.60, 167,416.80 and 67,601.36

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Solution

The fourth proportional to 121,307.60, 167,416.80 and 67,601.36 is: 93,296.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,307.60 : 167,416.80 = 67,601.36 : x
  2. Step 2: Convert to fraction form
    121,307.60/167,416.80 = 67,601.36/x
  3. Step 3: Cross multiply
    121,307.60x = 167,416.80 × 67,601.36
  4. Step 4: Simplify right side
    121,307.60x = 11,317,603,366.85
  5. Step 5: Solve for x
    x = 11,317,603,366.85/121,307.60
  6. Step 6: Final answer
    x = 93,296.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.