Home / 208,119.34-287,204.67-112,626.04

Finding the Fourth Proportional to 208,119.34, 287,204.67 and 112,626.04

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Solution

The fourth proportional to 208,119.34, 287,204.67 and 112,626.04 is: 155,423.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,119.34 : 287,204.67 = 112,626.04 : x
  2. Step 2: Convert to fraction form
    208,119.34/287,204.67 = 112,626.04/x
  3. Step 3: Cross multiply
    208,119.34x = 287,204.67 × 112,626.04
  4. Step 4: Simplify right side
    208,119.34x = 32,346,724,651.61
  5. Step 5: Solve for x
    x = 32,346,724,651.61/208,119.34
  6. Step 6: Final answer
    x = 155,423.92

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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.