Home / 125,077.80-172,608.75-67,718.37

Finding the Fourth Proportional to 125,077.80, 172,608.75 and 67,718.37

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Solution

The fourth proportional to 125,077.80, 172,608.75 and 67,718.37 is: 93,452.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,077.80 : 172,608.75 = 67,718.37 : x
  2. Step 2: Convert to fraction form
    125,077.80/172,608.75 = 67,718.37/x
  3. Step 3: Cross multiply
    125,077.80x = 172,608.75 × 67,718.37
  4. Step 4: Simplify right side
    125,077.80x = 11,688,783,101.43
  5. Step 5: Solve for x
    x = 11,688,783,101.43/125,077.80
  6. Step 6: Final answer
    x = 93,452.10

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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.