Home / 162,008.91-243,012.69-43,692.21

Finding the Fourth Proportional to 162,008.91, 243,012.69 and 43,692.21

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Solution

The fourth proportional to 162,008.91, 243,012.69 and 43,692.21 is: 65,538.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,008.91 : 243,012.69 = 43,692.21 : x
  2. Step 2: Convert to fraction form
    162,008.91/243,012.69 = 43,692.21/x
  3. Step 3: Cross multiply
    162,008.91x = 243,012.69 × 43,692.21
  4. Step 4: Simplify right side
    162,008.91x = 10,617,761,484.14
  5. Step 5: Solve for x
    x = 10,617,761,484.14/162,008.91
  6. Step 6: Final answer
    x = 65,538.13

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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.