Home / 208,029.04-287,079.92-112,535.81

Finding the Fourth Proportional to 208,029.04, 287,079.92 and 112,535.81

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Solution

The fourth proportional to 208,029.04, 287,079.92 and 112,535.81 is: 155,299.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,029.04 : 287,079.92 = 112,535.81 : x
  2. Step 2: Convert to fraction form
    208,029.04/287,079.92 = 112,535.81/x
  3. Step 3: Cross multiply
    208,029.04x = 287,079.92 × 112,535.81
  4. Step 4: Simplify right side
    208,029.04x = 32,306,771,331.94
  5. Step 5: Solve for x
    x = 32,306,771,331.94/208,029.04
  6. Step 6: Final answer
    x = 155,299.33

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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.