Home / 161,742.30-242,555.85-73,038.30

Finding the Fourth Proportional to 161,742.30, 242,555.85 and 73,038.30

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Solution

The fourth proportional to 161,742.30, 242,555.85 and 73,038.30 is: 109,531.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,742.30 : 242,555.85 = 73,038.30 : x
  2. Step 2: Convert to fraction form
    161,742.30/242,555.85 = 73,038.30/x
  3. Step 3: Cross multiply
    161,742.30x = 242,555.85 × 73,038.30
  4. Step 4: Simplify right side
    161,742.30x = 17,715,866,939.06
  5. Step 5: Solve for x
    x = 17,715,866,939.06/161,742.30
  6. Step 6: Final answer
    x = 109,531.44

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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.