Home / 125,444.36-173,256.89-82,615.31

Finding the Fourth Proportional to 125,444.36, 173,256.89 and 82,615.31

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Solution

The fourth proportional to 125,444.36, 173,256.89 and 82,615.31 is: 114,103.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,444.36 : 173,256.89 = 82,615.31 : x
  2. Step 2: Convert to fraction form
    125,444.36/173,256.89 = 82,615.31/x
  3. Step 3: Cross multiply
    125,444.36x = 173,256.89 × 82,615.31
  4. Step 4: Simplify right side
    125,444.36x = 14,313,671,017.24
  5. Step 5: Solve for x
    x = 14,313,671,017.24/125,444.36
  6. Step 6: Final answer
    x = 114,103.74

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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.