Home / 155,518.10-233,277.15-142,615.70

Finding the Fourth Proportional to 155,518.10, 233,277.15 and 142,615.70

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Solution

The fourth proportional to 155,518.10, 233,277.15 and 142,615.70 is: 213,923.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,518.10 : 233,277.15 = 142,615.70 : x
  2. Step 2: Convert to fraction form
    155,518.10/233,277.15 = 142,615.70/x
  3. Step 3: Cross multiply
    155,518.10x = 233,277.15 × 142,615.70
  4. Step 4: Simplify right side
    155,518.10x = 33,268,984,041.26
  5. Step 5: Solve for x
    x = 33,268,984,041.26/155,518.10
  6. Step 6: Final answer
    x = 213,923.55

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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.