Home / 208,042.83-287,097.48-112,549.23

Finding the Fourth Proportional to 208,042.83, 287,097.48 and 112,549.23

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Solution

The fourth proportional to 208,042.83, 287,097.48 and 112,549.23 is: 155,317.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,042.83 : 287,097.48 = 112,549.23 : x
  2. Step 2: Convert to fraction form
    208,042.83/287,097.48 = 112,549.23/x
  3. Step 3: Cross multiply
    208,042.83x = 287,097.48 × 112,549.23
  4. Step 4: Simplify right side
    208,042.83x = 32,312,600,308.94
  5. Step 5: Solve for x
    x = 32,312,600,308.94/208,042.83
  6. Step 6: Final answer
    x = 155,317.06

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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.