Home / 170,208.45-234,988.98-151,290.90

Finding the Fourth Proportional to 170,208.45, 234,988.98 and 151,290.90

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Solution

The fourth proportional to 170,208.45, 234,988.98 and 151,290.90 is: 208,871.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,208.45 : 234,988.98 = 151,290.90 : x
  2. Step 2: Convert to fraction form
    170,208.45/234,988.98 = 151,290.90/x
  3. Step 3: Cross multiply
    170,208.45x = 234,988.98 × 151,290.90
  4. Step 4: Simplify right side
    170,208.45x = 35,551,694,274.28
  5. Step 5: Solve for x
    x = 35,551,694,274.28/170,208.45
  6. Step 6: Final answer
    x = 208,871.50

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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.