Home / 79,154.08-118,293.32-70,930.72

Finding the Fourth Proportional to 79,154.08, 118,293.32 and 70,930.72

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Solution

The fourth proportional to 79,154.08, 118,293.32 and 70,930.72 is: 106,003.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,154.08 : 118,293.32 = 70,930.72 : x
  2. Step 2: Convert to fraction form
    79,154.08/118,293.32 = 70,930.72/x
  3. Step 3: Cross multiply
    79,154.08x = 118,293.32 × 70,930.72
  4. Step 4: Simplify right side
    79,154.08x = 8,390,630,358.79
  5. Step 5: Solve for x
    x = 8,390,630,358.79/79,154.08
  6. Step 6: Final answer
    x = 106,003.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.