Home / 112,744.08-155,577.60-64,345.77

Finding the Fourth Proportional to 112,744.08, 155,577.60 and 64,345.77

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Solution

The fourth proportional to 112,744.08, 155,577.60 and 64,345.77 is: 88,791.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,744.08 : 155,577.60 = 64,345.77 : x
  2. Step 2: Convert to fraction form
    112,744.08/155,577.60 = 64,345.77/x
  3. Step 3: Cross multiply
    112,744.08x = 155,577.60 × 64,345.77
  4. Step 4: Simplify right side
    112,744.08x = 10,010,760,466.75
  5. Step 5: Solve for x
    x = 10,010,760,466.75/112,744.08
  6. Step 6: Final answer
    x = 88,791.89

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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.