Home / 208,050.05-287,106.96-112,554.70

Finding the Fourth Proportional to 208,050.05, 287,106.96 and 112,554.70

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Solution

The fourth proportional to 208,050.05, 287,106.96 and 112,554.70 is: 155,324.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,050.05 : 287,106.96 = 112,554.70 : x
  2. Step 2: Convert to fraction form
    208,050.05/287,106.96 = 112,554.70/x
  3. Step 3: Cross multiply
    208,050.05x = 287,106.96 × 112,554.70
  4. Step 4: Simplify right side
    208,050.05x = 32,315,237,455.02
  5. Step 5: Solve for x
    x = 32,315,237,455.02/208,050.05
  6. Step 6: Final answer
    x = 155,324.34

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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.