Home / 208,114.32-287,199.04-122,055.76

Finding the Fourth Proportional to 208,114.32, 287,199.04 and 122,055.76

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Solution

The fourth proportional to 208,114.32, 287,199.04 and 122,055.76 is: 168,437.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,114.32 : 287,199.04 = 122,055.76 : x
  2. Step 2: Convert to fraction form
    208,114.32/287,199.04 = 122,055.76/x
  3. Step 3: Cross multiply
    208,114.32x = 287,199.04 × 122,055.76
  4. Step 4: Simplify right side
    208,114.32x = 35,054,297,098.47
  5. Step 5: Solve for x
    x = 35,054,297,098.47/208,114.32
  6. Step 6: Final answer
    x = 168,437.70

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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.