Home / 208,127.24-287,214.58-112,633.80

Finding the Fourth Proportional to 208,127.24, 287,214.58 and 112,633.80

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Solution

The fourth proportional to 208,127.24, 287,214.58 and 112,633.80 is: 155,434.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,127.24 : 287,214.58 = 112,633.80 : x
  2. Step 2: Convert to fraction form
    208,127.24/287,214.58 = 112,633.80/x
  3. Step 3: Cross multiply
    208,127.24x = 287,214.58 × 112,633.80
  4. Step 4: Simplify right side
    208,127.24x = 32,350,069,560.80
  5. Step 5: Solve for x
    x = 32,350,069,560.80/208,127.24
  6. Step 6: Final answer
    x = 155,434.10

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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.