Home / 77,335.20-116,002.80-73,706.40

Finding the Fourth Proportional to 77,335.20, 116,002.80 and 73,706.40

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Solution

The fourth proportional to 77,335.20, 116,002.80 and 73,706.40 is: 110,559.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,335.20 : 116,002.80 = 73,706.40 : x
  2. Step 2: Convert to fraction form
    77,335.20/116,002.80 = 73,706.40/x
  3. Step 3: Cross multiply
    77,335.20x = 116,002.80 × 73,706.40
  4. Step 4: Simplify right side
    77,335.20x = 8,550,148,777.92
  5. Step 5: Solve for x
    x = 8,550,148,777.92/77,335.20
  6. Step 6: Final answer
    x = 110,559.60

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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.