Home / 156,988.55-235,405.15-67,017.25

Finding the Fourth Proportional to 156,988.55, 235,405.15 and 67,017.25

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Solution

The fourth proportional to 156,988.55, 235,405.15 and 67,017.25 is: 100,492.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,988.55 : 235,405.15 = 67,017.25 : x
  2. Step 2: Convert to fraction form
    156,988.55/235,405.15 = 67,017.25/x
  3. Step 3: Cross multiply
    156,988.55x = 235,405.15 × 67,017.25
  4. Step 4: Simplify right side
    156,988.55x = 15,776,204,611.81
  5. Step 5: Solve for x
    x = 15,776,204,611.81/156,988.55
  6. Step 6: Final answer
    x = 100,492.71

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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.