Home / 118,220.30-177,346.65-43,322.30

Finding the Fourth Proportional to 118,220.30, 177,346.65 and 43,322.30

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Solution

The fourth proportional to 118,220.30, 177,346.65 and 43,322.30 is: 64,989.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,220.30 : 177,346.65 = 43,322.30 : x
  2. Step 2: Convert to fraction form
    118,220.30/177,346.65 = 43,322.30/x
  3. Step 3: Cross multiply
    118,220.30x = 177,346.65 × 43,322.30
  4. Step 4: Simplify right side
    118,220.30x = 7,683,064,775.30
  5. Step 5: Solve for x
    x = 7,683,064,775.30/118,220.30
  6. Step 6: Final answer
    x = 64,989.39

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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.