Home / 123,812.05-185,663.40-48,907.30

Finding the Fourth Proportional to 123,812.05, 185,663.40 and 48,907.30

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Solution

The fourth proportional to 123,812.05, 185,663.40 and 48,907.30 is: 73,339.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,812.05 : 185,663.40 = 48,907.30 : x
  2. Step 2: Convert to fraction form
    123,812.05/185,663.40 = 48,907.30/x
  3. Step 3: Cross multiply
    123,812.05x = 185,663.40 × 48,907.30
  4. Step 4: Simplify right side
    123,812.05x = 9,080,295,602.82
  5. Step 5: Solve for x
    x = 9,080,295,602.82/123,812.05
  6. Step 6: Final answer
    x = 73,339.35

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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.