Home / 110,256.80-165,428.40-43,685.60

Finding the Fourth Proportional to 110,256.80, 165,428.40 and 43,685.60

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Solution

The fourth proportional to 110,256.80, 165,428.40 and 43,685.60 is: 65,545.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,256.80 : 165,428.40 = 43,685.60 : x
  2. Step 2: Convert to fraction form
    110,256.80/165,428.40 = 43,685.60/x
  3. Step 3: Cross multiply
    110,256.80x = 165,428.40 × 43,685.60
  4. Step 4: Simplify right side
    110,256.80x = 7,226,838,911.04
  5. Step 5: Solve for x
    x = 7,226,838,911.04/110,256.80
  6. Step 6: Final answer
    x = 65,545.52

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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.