Home / 208,088.32-287,160.96-112,596.70

Finding the Fourth Proportional to 208,088.32, 287,160.96 and 112,596.70

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Solution

The fourth proportional to 208,088.32, 287,160.96 and 112,596.70 is: 155,382.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,088.32 : 287,160.96 = 112,596.70 : x
  2. Step 2: Convert to fraction form
    208,088.32/287,160.96 = 112,596.70/x
  3. Step 3: Cross multiply
    208,088.32x = 287,160.96 × 112,596.70
  4. Step 4: Simplify right side
    208,088.32x = 32,333,376,464.83
  5. Step 5: Solve for x
    x = 32,333,376,464.83/208,088.32
  6. Step 6: Final answer
    x = 155,382.95

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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.