Home / 104,460.12-144,154.14-56,712.50

Finding the Fourth Proportional to 104,460.12, 144,154.14 and 56,712.50

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Solution

The fourth proportional to 104,460.12, 144,154.14 and 56,712.50 is: 78,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,460.12 : 144,154.14 = 56,712.50 : x
  2. Step 2: Convert to fraction form
    104,460.12/144,154.14 = 56,712.50/x
  3. Step 3: Cross multiply
    104,460.12x = 144,154.14 × 56,712.50
  4. Step 4: Simplify right side
    104,460.12x = 8,175,341,664.75
  5. Step 5: Solve for x
    x = 8,175,341,664.75/104,460.12
  6. Step 6: Final answer
    x = 78,262.80

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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.