Home / 124,276.30-171,513.22-76,557.58

Finding the Fourth Proportional to 124,276.30, 171,513.22 and 76,557.58

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Solution

The fourth proportional to 124,276.30, 171,513.22 and 76,557.58 is: 105,656.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,276.30 : 171,513.22 = 76,557.58 : x
  2. Step 2: Convert to fraction form
    124,276.30/171,513.22 = 76,557.58/x
  3. Step 3: Cross multiply
    124,276.30x = 171,513.22 × 76,557.58
  4. Step 4: Simplify right side
    124,276.30x = 13,130,636,441.03
  5. Step 5: Solve for x
    x = 13,130,636,441.03/124,276.30
  6. Step 6: Final answer
    x = 105,656.80

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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.