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Finding the Fourth Proportional to 161,326.19, 241,983.81 and 61,482.75

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Solution

The fourth proportional to 161,326.19, 241,983.81 and 61,482.75 is: 92,222.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,326.19 : 241,983.81 = 61,482.75 : x
  2. Step 2: Convert to fraction form
    161,326.19/241,983.81 = 61,482.75/x
  3. Step 3: Cross multiply
    161,326.19x = 241,983.81 × 61,482.75
  4. Step 4: Simplify right side
    161,326.19x = 14,877,830,094.28
  5. Step 5: Solve for x
    x = 14,877,830,094.28/161,326.19
  6. Step 6: Final answer
    x = 92,222.04

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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.