Home / 219,810.02-303,343.98-124,331.36

Finding the Fourth Proportional to 219,810.02, 303,343.98 and 124,331.36

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Solution

The fourth proportional to 219,810.02, 303,343.98 and 124,331.36 is: 171,580.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,810.02 : 303,343.98 = 124,331.36 : x
  2. Step 2: Convert to fraction form
    219,810.02/303,343.98 = 124,331.36/x
  3. Step 3: Cross multiply
    219,810.02x = 303,343.98 × 124,331.36
  4. Step 4: Simplify right side
    219,810.02x = 37,715,169,581.21
  5. Step 5: Solve for x
    x = 37,715,169,581.21/219,810.02
  6. Step 6: Final answer
    x = 171,580.76

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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.