Home / 170,958.80-235,840.20-120,547.28

Finding the Fourth Proportional to 170,958.80, 235,840.20 and 120,547.28

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Solution

The fourth proportional to 170,958.80, 235,840.20 and 120,547.28 is: 166,296.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,958.80 : 235,840.20 = 120,547.28 : x
  2. Step 2: Convert to fraction form
    170,958.80/235,840.20 = 120,547.28/x
  3. Step 3: Cross multiply
    170,958.80x = 235,840.20 × 120,547.28
  4. Step 4: Simplify right side
    170,958.80x = 28,429,894,624.66
  5. Step 5: Solve for x
    x = 28,429,894,624.66/170,958.80
  6. Step 6: Final answer
    x = 166,296.76

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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.