Home / 104,538.99-144,263.70-56,792.02

Finding the Fourth Proportional to 104,538.99, 144,263.70 and 56,792.02

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Solution

The fourth proportional to 104,538.99, 144,263.70 and 56,792.02 is: 78,372.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,538.99 : 144,263.70 = 56,792.02 : x
  2. Step 2: Convert to fraction form
    104,538.99/144,263.70 = 56,792.02/x
  3. Step 3: Cross multiply
    104,538.99x = 144,263.70 × 56,792.02
  4. Step 4: Simplify right side
    104,538.99x = 8,193,026,935.67
  5. Step 5: Solve for x
    x = 8,193,026,935.67/104,538.99
  6. Step 6: Final answer
    x = 78,372.93

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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.