Home / 104,462.64-144,159.48-56,716.38

Finding the Fourth Proportional to 104,462.64, 144,159.48 and 56,716.38

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Solution

The fourth proportional to 104,462.64, 144,159.48 and 56,716.38 is: 78,269.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,462.64 : 144,159.48 = 56,716.38 : x
  2. Step 2: Convert to fraction form
    104,462.64/144,159.48 = 56,716.38/x
  3. Step 3: Cross multiply
    104,462.64x = 144,159.48 × 56,716.38
  4. Step 4: Simplify right side
    104,462.64x = 8,176,203,848.28
  5. Step 5: Solve for x
    x = 8,176,203,848.28/104,462.64
  6. Step 6: Final answer
    x = 78,269.17

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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.