Home / 161,543.20-242,228.40-56,365.60

Finding the Fourth Proportional to 161,543.20, 242,228.40 and 56,365.60

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Solution

The fourth proportional to 161,543.20, 242,228.40 and 56,365.60 is: 84,518.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,543.20 : 242,228.40 = 56,365.60 : x
  2. Step 2: Convert to fraction form
    161,543.20/242,228.40 = 56,365.60/x
  3. Step 3: Cross multiply
    161,543.20x = 242,228.40 × 56,365.60
  4. Step 4: Simplify right side
    161,543.20x = 13,653,349,103.04
  5. Step 5: Solve for x
    x = 13,653,349,103.04/161,543.20
  6. Step 6: Final answer
    x = 84,518.25

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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.