Home / 208,299.60-287,372.04-121,070.18

Finding the Fourth Proportional to 208,299.60, 287,372.04 and 121,070.18

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Solution

The fourth proportional to 208,299.60, 287,372.04 and 121,070.18 is: 167,029.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,299.60 : 287,372.04 = 121,070.18 : x
  2. Step 2: Convert to fraction form
    208,299.60/287,372.04 = 121,070.18/x
  3. Step 3: Cross multiply
    208,299.60x = 287,372.04 × 121,070.18
  4. Step 4: Simplify right side
    208,299.60x = 34,792,184,609.77
  5. Step 5: Solve for x
    x = 34,792,184,609.77/208,299.60
  6. Step 6: Final answer
    x = 167,029.53

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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.