Home / 145,837.85-218,752.63-79,696.85

Finding the Fourth Proportional to 145,837.85, 218,752.63 and 79,696.85

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Solution

The fourth proportional to 145,837.85, 218,752.63 and 79,696.85 is: 119,543.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,837.85 : 218,752.63 = 79,696.85 : x
  2. Step 2: Convert to fraction form
    145,837.85/218,752.63 = 79,696.85/x
  3. Step 3: Cross multiply
    145,837.85x = 218,752.63 × 79,696.85
  4. Step 4: Simplify right side
    145,837.85x = 17,433,894,247.21
  5. Step 5: Solve for x
    x = 17,433,894,247.21/145,837.85
  6. Step 6: Final answer
    x = 119,543.01

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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.