Home / 161,809.02-242,715.80-61,974.30

Finding the Fourth Proportional to 161,809.02, 242,715.80 and 61,974.30

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Solution

The fourth proportional to 161,809.02, 242,715.80 and 61,974.30 is: 92,962.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,809.02 : 242,715.80 = 61,974.30 : x
  2. Step 2: Convert to fraction form
    161,809.02/242,715.80 = 61,974.30/x
  3. Step 3: Cross multiply
    161,809.02x = 242,715.80 × 61,974.30
  4. Step 4: Simplify right side
    161,809.02x = 15,042,141,803.94
  5. Step 5: Solve for x
    x = 15,042,141,803.94/161,809.02
  6. Step 6: Final answer
    x = 92,962.32

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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.