Home / 104,823.98-144,637.34-61,817

Finding the Fourth Proportional to 104,823.98, 144,637.34 and 61,817

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Solution

The fourth proportional to 104,823.98, 144,637.34 and 61,817 is: 85,295.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,823.98 : 144,637.34 = 61,817 : x
  2. Step 2: Convert to fraction form
    104,823.98/144,637.34 = 61,817/x
  3. Step 3: Cross multiply
    104,823.98x = 144,637.34 × 61,817
  4. Step 4: Simplify right side
    104,823.98x = 8,941,046,446.78
  5. Step 5: Solve for x
    x = 8,941,046,446.78/104,823.98
  6. Step 6: Final answer
    x = 85,295.81

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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.