Home / 124,977.36-172,404.18-84,677.34

Finding the Fourth Proportional to 124,977.36, 172,404.18 and 84,677.34

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Solution

The fourth proportional to 124,977.36, 172,404.18 and 84,677.34 is: 116,810.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,977.36 : 172,404.18 = 84,677.34 : x
  2. Step 2: Convert to fraction form
    124,977.36/172,404.18 = 84,677.34/x
  3. Step 3: Cross multiply
    124,977.36x = 172,404.18 × 84,677.34
  4. Step 4: Simplify right side
    124,977.36x = 14,598,727,367.28
  5. Step 5: Solve for x
    x = 14,598,727,367.28/124,977.36
  6. Step 6: Final answer
    x = 116,810.98

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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.