Home / 208,238.04-287,368.68-112,744.80

Finding the Fourth Proportional to 208,238.04, 287,368.68 and 112,744.80

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Solution

The fourth proportional to 208,238.04, 287,368.68 and 112,744.80 is: 155,587.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,238.04 : 287,368.68 = 112,744.80 : x
  2. Step 2: Convert to fraction form
    208,238.04/287,368.68 = 112,744.80/x
  3. Step 3: Cross multiply
    208,238.04x = 287,368.68 × 112,744.80
  4. Step 4: Simplify right side
    208,238.04x = 32,399,324,352.86
  5. Step 5: Solve for x
    x = 32,399,324,352.86/208,238.04
  6. Step 6: Final answer
    x = 155,587.92

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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.