Home / 104,441.31-144,130.05-56,695.05

Finding the Fourth Proportional to 104,441.31, 144,130.05 and 56,695.05

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Solution

The fourth proportional to 104,441.31, 144,130.05 and 56,695.05 is: 78,239.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,441.31 : 144,130.05 = 56,695.05 : x
  2. Step 2: Convert to fraction form
    104,441.31/144,130.05 = 56,695.05/x
  3. Step 3: Cross multiply
    104,441.31x = 144,130.05 × 56,695.05
  4. Step 4: Simplify right side
    104,441.31x = 8,171,460,391.25
  5. Step 5: Solve for x
    x = 8,171,460,391.25/104,441.31
  6. Step 6: Final answer
    x = 78,239.73

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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.