Home / 436,657.13-654,985.64-121,114.04

Finding the Fourth Proportional to 436,657.13, 654,985.64 and 121,114.04

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Solution

The fourth proportional to 436,657.13, 654,985.64 and 121,114.04 is: 181,671.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,657.13 : 654,985.64 = 121,114.04 : x
  2. Step 2: Convert to fraction form
    436,657.13/654,985.64 = 121,114.04/x
  3. Step 3: Cross multiply
    436,657.13x = 654,985.64 × 121,114.04
  4. Step 4: Simplify right side
    436,657.13x = 79,327,954,030.24
  5. Step 5: Solve for x
    x = 79,327,954,030.24/436,657.13
  6. Step 6: Final answer
    x = 181,671.04

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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.