Home / 208,208.86-287,330.52-112,717.60

Finding the Fourth Proportional to 208,208.86, 287,330.52 and 112,717.60

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Solution

The fourth proportional to 208,208.86, 287,330.52 and 112,717.60 is: 155,551.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,208.86 : 287,330.52 = 112,717.60 : x
  2. Step 2: Convert to fraction form
    208,208.86/287,330.52 = 112,717.60/x
  3. Step 3: Cross multiply
    208,208.86x = 287,330.52 × 112,717.60
  4. Step 4: Simplify right side
    208,208.86x = 32,387,206,621.15
  5. Step 5: Solve for x
    x = 32,387,206,621.15/208,208.86
  6. Step 6: Final answer
    x = 155,551.53

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1.5x scale

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.