Home / 104,513.09-144,154.28-64,249.50

Finding the Fourth Proportional to 104,513.09, 144,154.28 and 64,249.50

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Solution

The fourth proportional to 104,513.09, 144,154.28 and 64,249.50 is: 88,618.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,513.09 : 144,154.28 = 64,249.50 : x
  2. Step 2: Convert to fraction form
    104,513.09/144,154.28 = 64,249.50/x
  3. Step 3: Cross multiply
    104,513.09x = 144,154.28 × 64,249.50
  4. Step 4: Simplify right side
    104,513.09x = 9,261,841,114.06
  5. Step 5: Solve for x
    x = 9,261,841,114.06/104,513.09
  6. Step 6: Final answer
    x = 88,618.96

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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.