Home / 607,707.12-911,561.10-158,426.85

Finding the Fourth Proportional to 607,707.12, 911,561.10 and 158,426.85

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Solution

The fourth proportional to 607,707.12, 911,561.10 and 158,426.85 is: 237,640.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,707.12 : 911,561.10 = 158,426.85 : x
  2. Step 2: Convert to fraction form
    607,707.12/911,561.10 = 158,426.85/x
  3. Step 3: Cross multiply
    607,707.12x = 911,561.10 × 158,426.85
  4. Step 4: Simplify right side
    607,707.12x = 144,415,753,655.54
  5. Step 5: Solve for x
    x = 144,415,753,655.54/607,707.12
  6. Step 6: Final answer
    x = 237,640.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.