Home / 185,704.18-278,666.93-67,384.74

Finding the Fourth Proportional to 185,704.18, 278,666.93 and 67,384.74

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Solution

The fourth proportional to 185,704.18, 278,666.93 and 67,384.74 is: 101,117.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,704.18 : 278,666.93 = 67,384.74 : x
  2. Step 2: Convert to fraction form
    185,704.18/278,666.93 = 67,384.74/x
  3. Step 3: Cross multiply
    185,704.18x = 278,666.93 × 67,384.74
  4. Step 4: Simplify right side
    185,704.18x = 18,777,899,838.11
  5. Step 5: Solve for x
    x = 18,777,899,838.11/185,704.18
  6. Step 6: Final answer
    x = 101,117.27

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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.