Home / 161,830.28-242,692.94-61,985.16

Finding the Fourth Proportional to 161,830.28, 242,692.94 and 61,985.16

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Solution

The fourth proportional to 161,830.28, 242,692.94 and 61,985.16 is: 92,957.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,830.28 : 242,692.94 = 61,985.16 : x
  2. Step 2: Convert to fraction form
    161,830.28/242,692.94 = 61,985.16/x
  3. Step 3: Cross multiply
    161,830.28x = 242,692.94 × 61,985.16
  4. Step 4: Simplify right side
    161,830.28x = 15,043,360,716.77
  5. Step 5: Solve for x
    x = 15,043,360,716.77/161,830.28
  6. Step 6: Final answer
    x = 92,957.64

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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.