Home / 104,431.90-144,116.75-56,685.24

Finding the Fourth Proportional to 104,431.90, 144,116.75 and 56,685.24

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Solution

The fourth proportional to 104,431.90, 144,116.75 and 56,685.24 is: 78,226.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,431.90 : 144,116.75 = 56,685.24 : x
  2. Step 2: Convert to fraction form
    104,431.90/144,116.75 = 56,685.24/x
  3. Step 3: Cross multiply
    104,431.90x = 144,116.75 × 56,685.24
  4. Step 4: Simplify right side
    104,431.90x = 8,169,292,561.77
  5. Step 5: Solve for x
    x = 8,169,292,561.77/104,431.90
  6. Step 6: Final answer
    x = 78,226.03

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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.