Home / 208,019.08-287,087.27-127,500.13

Finding the Fourth Proportional to 208,019.08, 287,087.27 and 127,500.13

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Solution

The fourth proportional to 208,019.08, 287,087.27 and 127,500.13 is: 175,963.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,019.08 : 287,087.27 = 127,500.13 : x
  2. Step 2: Convert to fraction form
    208,019.08/287,087.27 = 127,500.13/x
  3. Step 3: Cross multiply
    208,019.08x = 287,087.27 × 127,500.13
  4. Step 4: Simplify right side
    208,019.08x = 36,603,664,246.35
  5. Step 5: Solve for x
    x = 36,603,664,246.35/208,019.08
  6. Step 6: Final answer
    x = 175,963.01

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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.