Home / 156,089.60-234,019.20-67,270.40

Finding the Fourth Proportional to 156,089.60, 234,019.20 and 67,270.40

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Solution

The fourth proportional to 156,089.60, 234,019.20 and 67,270.40 is: 100,855.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,089.60 : 234,019.20 = 67,270.40 : x
  2. Step 2: Convert to fraction form
    156,089.60/234,019.20 = 67,270.40/x
  3. Step 3: Cross multiply
    156,089.60x = 234,019.20 × 67,270.40
  4. Step 4: Simplify right side
    156,089.60x = 15,742,565,191.68
  5. Step 5: Solve for x
    x = 15,742,565,191.68/156,089.60
  6. Step 6: Final answer
    x = 100,855.95

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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.