Home / 124,996.32-172,315.62-89,124.12

Finding the Fourth Proportional to 124,996.32, 172,315.62 and 89,124.12

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Solution

The fourth proportional to 124,996.32, 172,315.62 and 89,124.12 is: 122,863.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,996.32 : 172,315.62 = 89,124.12 : x
  2. Step 2: Convert to fraction form
    124,996.32/172,315.62 = 89,124.12/x
  3. Step 3: Cross multiply
    124,996.32x = 172,315.62 × 89,124.12
  4. Step 4: Simplify right side
    124,996.32x = 15,357,477,994.75
  5. Step 5: Solve for x
    x = 15,357,477,994.75/124,996.32
  6. Step 6: Final answer
    x = 122,863.44

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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.