Home / 120,253.74-165,848.67-90,110.22

Finding the Fourth Proportional to 120,253.74, 165,848.67 and 90,110.22

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Solution

The fourth proportional to 120,253.74, 165,848.67 and 90,110.22 is: 124,276.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,253.74 : 165,848.67 = 90,110.22 : x
  2. Step 2: Convert to fraction form
    120,253.74/165,848.67 = 90,110.22/x
  3. Step 3: Cross multiply
    120,253.74x = 165,848.67 × 90,110.22
  4. Step 4: Simplify right side
    120,253.74x = 14,944,660,140.41
  5. Step 5: Solve for x
    x = 14,944,660,140.41/120,253.74
  6. Step 6: Final answer
    x = 124,276.05

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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.