Home / 124,395.38-171,670.29-70,689.54

Finding the Fourth Proportional to 124,395.38, 171,670.29 and 70,689.54

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Solution

The fourth proportional to 124,395.38, 171,670.29 and 70,689.54 is: 97,554.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,395.38 : 171,670.29 = 70,689.54 : x
  2. Step 2: Convert to fraction form
    124,395.38/171,670.29 = 70,689.54/x
  3. Step 3: Cross multiply
    124,395.38x = 171,670.29 × 70,689.54
  4. Step 4: Simplify right side
    124,395.38x = 12,135,293,831.77
  5. Step 5: Solve for x
    x = 12,135,293,831.77/124,395.38
  6. Step 6: Final answer
    x = 97,554.22

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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.