Home / 161,622.02-242,436.94-55,005.78

Finding the Fourth Proportional to 161,622.02, 242,436.94 and 55,005.78

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Solution

The fourth proportional to 161,622.02, 242,436.94 and 55,005.78 is: 82,510.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,622.02 : 242,436.94 = 55,005.78 : x
  2. Step 2: Convert to fraction form
    161,622.02/242,436.94 = 55,005.78/x
  3. Step 3: Cross multiply
    161,622.02x = 242,436.94 × 55,005.78
  4. Step 4: Simplify right side
    161,622.02x = 13,335,432,985.51
  5. Step 5: Solve for x
    x = 13,335,432,985.51/161,622.02
  6. Step 6: Final answer
    x = 82,510.00

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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.