Home / 110,681.40-165,827.70-90,852.60

Finding the Fourth Proportional to 110,681.40, 165,827.70 and 90,852.60

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Solution

The fourth proportional to 110,681.40, 165,827.70 and 90,852.60 is: 136,119.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,681.40 : 165,827.70 = 90,852.60 : x
  2. Step 2: Convert to fraction form
    110,681.40/165,827.70 = 90,852.60/x
  3. Step 3: Cross multiply
    110,681.40x = 165,827.70 × 90,852.60
  4. Step 4: Simplify right side
    110,681.40x = 15,065,877,697.02
  5. Step 5: Solve for x
    x = 15,065,877,697.02/110,681.40
  6. Step 6: Final answer
    x = 136,119.33

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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.