Home / 150,853.32-208,170.86-90,457.29

Finding the Fourth Proportional to 150,853.32, 208,170.86 and 90,457.29

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Solution

The fourth proportional to 150,853.32, 208,170.86 and 90,457.29 is: 124,827.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,853.32 : 208,170.86 = 90,457.29 : x
  2. Step 2: Convert to fraction form
    150,853.32/208,170.86 = 90,457.29/x
  3. Step 3: Cross multiply
    150,853.32x = 208,170.86 × 90,457.29
  4. Step 4: Simplify right side
    150,853.32x = 18,830,571,400.28
  5. Step 5: Solve for x
    x = 18,830,571,400.28/150,853.32
  6. Step 6: Final answer
    x = 124,827.03

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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.