Home / 124,790.32-172,210.35-68,202.10

Finding the Fourth Proportional to 124,790.32, 172,210.35 and 68,202.10

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Solution

The fourth proportional to 124,790.32, 172,210.35 and 68,202.10 is: 94,118.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,790.32 : 172,210.35 = 68,202.10 : x
  2. Step 2: Convert to fraction form
    124,790.32/172,210.35 = 68,202.10/x
  3. Step 3: Cross multiply
    124,790.32x = 172,210.35 × 68,202.10
  4. Step 4: Simplify right side
    124,790.32x = 11,745,107,511.74
  5. Step 5: Solve for x
    x = 11,745,107,511.74/124,790.32
  6. Step 6: Final answer
    x = 94,118.74

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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.