Home / 97,790.90-134,951.87-55,357.63

Finding the Fourth Proportional to 97,790.90, 134,951.87 and 55,357.63

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Solution

The fourth proportional to 97,790.90, 134,951.87 and 55,357.63 is: 76,393.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,790.90 : 134,951.87 = 55,357.63 : x
  2. Step 2: Convert to fraction form
    97,790.90/134,951.87 = 55,357.63/x
  3. Step 3: Cross multiply
    97,790.90x = 134,951.87 × 55,357.63
  4. Step 4: Simplify right side
    97,790.90x = 7,470,615,488.28
  5. Step 5: Solve for x
    x = 7,470,615,488.28/97,790.90
  6. Step 6: Final answer
    x = 76,393.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.