Home / 155,280.23-214,392.95-118,917.52

Finding the Fourth Proportional to 155,280.23, 214,392.95 and 118,917.52

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Solution

The fourth proportional to 155,280.23, 214,392.95 and 118,917.52 is: 164,187.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,280.23 : 214,392.95 = 118,917.52 : x
  2. Step 2: Convert to fraction form
    155,280.23/214,392.95 = 118,917.52/x
  3. Step 3: Cross multiply
    155,280.23x = 214,392.95 × 118,917.52
  4. Step 4: Simplify right side
    155,280.23x = 25,495,077,919.48
  5. Step 5: Solve for x
    x = 25,495,077,919.48/155,280.23
  6. Step 6: Final answer
    x = 164,187.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.