Home / 124,516.40-171,847.37-70,809.49

Finding the Fourth Proportional to 124,516.40, 171,847.37 and 70,809.49

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Solution

The fourth proportional to 124,516.40, 171,847.37 and 70,809.49 is: 97,725.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,516.40 : 171,847.37 = 70,809.49 : x
  2. Step 2: Convert to fraction form
    124,516.40/171,847.37 = 70,809.49/x
  3. Step 3: Cross multiply
    124,516.40x = 171,847.37 × 70,809.49
  4. Step 4: Simplify right side
    124,516.40x = 12,168,423,414.26
  5. Step 5: Solve for x
    x = 12,168,423,414.26/124,516.40
  6. Step 6: Final answer
    x = 97,725.47

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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.