Home / 161,918.40-242,834.40-56,726.40

Finding the Fourth Proportional to 161,918.40, 242,834.40 and 56,726.40

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Solution

The fourth proportional to 161,918.40, 242,834.40 and 56,726.40 is: 85,074.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,918.40 : 242,834.40 = 56,726.40 : x
  2. Step 2: Convert to fraction form
    161,918.40/242,834.40 = 56,726.40/x
  3. Step 3: Cross multiply
    161,918.40x = 242,834.40 × 56,726.40
  4. Step 4: Simplify right side
    161,918.40x = 13,775,121,308.16
  5. Step 5: Solve for x
    x = 13,775,121,308.16/161,918.40
  6. Step 6: Final answer
    x = 85,074.47

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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.