Home / 155,430.60-233,145.93-43,139.04

Finding the Fourth Proportional to 155,430.60, 233,145.93 and 43,139.04

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Solution

The fourth proportional to 155,430.60, 233,145.93 and 43,139.04 is: 64,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,430.60 : 233,145.93 = 43,139.04 : x
  2. Step 2: Convert to fraction form
    155,430.60/233,145.93 = 43,139.04/x
  3. Step 3: Cross multiply
    155,430.60x = 233,145.93 × 43,139.04
  4. Step 4: Simplify right side
    155,430.60x = 10,057,691,600.11
  5. Step 5: Solve for x
    x = 10,057,691,600.11/155,430.60
  6. Step 6: Final answer
    x = 64,708.57

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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.