Home / 208,700.64-287,999.10-113,204.16

Finding the Fourth Proportional to 208,700.64, 287,999.10 and 113,204.16

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Solution

The fourth proportional to 208,700.64, 287,999.10 and 113,204.16 is: 156,217.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,700.64 : 287,999.10 = 113,204.16 : x
  2. Step 2: Convert to fraction form
    208,700.64/287,999.10 = 113,204.16/x
  3. Step 3: Cross multiply
    208,700.64x = 287,999.10 × 113,204.16
  4. Step 4: Simplify right side
    208,700.64x = 32,602,696,196.26
  5. Step 5: Solve for x
    x = 32,602,696,196.26/208,700.64
  6. Step 6: Final answer
    x = 156,217.52

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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.