Home / 124,371.75-171,637.65-70,665.86

Finding the Fourth Proportional to 124,371.75, 171,637.65 and 70,665.86

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Solution

The fourth proportional to 124,371.75, 171,637.65 and 70,665.86 is: 97,521.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,371.75 : 171,637.65 = 70,665.86 : x
  2. Step 2: Convert to fraction form
    124,371.75/171,637.65 = 70,665.86/x
  3. Step 3: Cross multiply
    124,371.75x = 171,637.65 × 70,665.86
  4. Step 4: Simplify right side
    124,371.75x = 12,128,922,309.73
  5. Step 5: Solve for x
    x = 12,128,922,309.73/124,371.75
  6. Step 6: Final answer
    x = 97,521.52

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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.