Home / 106,697.36-147,245.64-64,257.68

Finding the Fourth Proportional to 106,697.36, 147,245.64 and 64,257.68

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Solution

The fourth proportional to 106,697.36, 147,245.64 and 64,257.68 is: 88,677.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,697.36 : 147,245.64 = 64,257.68 : x
  2. Step 2: Convert to fraction form
    106,697.36/147,245.64 = 64,257.68/x
  3. Step 3: Cross multiply
    106,697.36x = 147,245.64 × 64,257.68
  4. Step 4: Simplify right side
    106,697.36x = 9,461,663,216.52
  5. Step 5: Solve for x
    x = 9,461,663,216.52/106,697.36
  6. Step 6: Final answer
    x = 88,677.58

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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.