Home / 104,427.86-144,110.52-56,681.19

Finding the Fourth Proportional to 104,427.86, 144,110.52 and 56,681.19

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Solution

The fourth proportional to 104,427.86, 144,110.52 and 56,681.19 is: 78,220.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,427.86 : 144,110.52 = 56,681.19 : x
  2. Step 2: Convert to fraction form
    104,427.86/144,110.52 = 56,681.19/x
  3. Step 3: Cross multiply
    104,427.86x = 144,110.52 × 56,681.19
  4. Step 4: Simplify right side
    104,427.86x = 8,168,355,765.12
  5. Step 5: Solve for x
    x = 8,168,355,765.12/104,427.86
  6. Step 6: Final answer
    x = 78,220.09

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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.