Home / 161,731.40-242,532.30-56,496.20

Finding the Fourth Proportional to 161,731.40, 242,532.30 and 56,496.20

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Solution

The fourth proportional to 161,731.40, 242,532.30 and 56,496.20 is: 84,721.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,731.40 : 242,532.30 = 56,496.20 : x
  2. Step 2: Convert to fraction form
    161,731.40/242,532.30 = 56,496.20/x
  3. Step 3: Cross multiply
    161,731.40x = 242,532.30 × 56,496.20
  4. Step 4: Simplify right side
    161,731.40x = 13,702,153,327.26
  5. Step 5: Solve for x
    x = 13,702,153,327.26/161,731.40
  6. Step 6: Final answer
    x = 84,721.66

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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.