Home / 152,281.14-228,342.83-81,184.67

Finding the Fourth Proportional to 152,281.14, 228,342.83 and 81,184.67

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Solution

The fourth proportional to 152,281.14, 228,342.83 and 81,184.67 is: 121,734.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,281.14 : 228,342.83 = 81,184.67 : x
  2. Step 2: Convert to fraction form
    152,281.14/228,342.83 = 81,184.67/x
  3. Step 3: Cross multiply
    152,281.14x = 228,342.83 × 81,184.67
  4. Step 4: Simplify right side
    152,281.14x = 18,537,937,300.42
  5. Step 5: Solve for x
    x = 18,537,937,300.42/152,281.14
  6. Step 6: Final answer
    x = 121,734.95

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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.