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Finding the Fourth Proportional to 152,877.08, 210,960.96 and 84,889.91

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Solution

The fourth proportional to 152,877.08, 210,960.96 and 84,889.91 is: 117,142.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,877.08 : 210,960.96 = 84,889.91 : x
  2. Step 2: Convert to fraction form
    152,877.08/210,960.96 = 84,889.91/x
  3. Step 3: Cross multiply
    152,877.08x = 210,960.96 × 84,889.91
  4. Step 4: Simplify right side
    152,877.08x = 17,908,456,907.91
  5. Step 5: Solve for x
    x = 17,908,456,907.91/152,877.08
  6. Step 6: Final answer
    x = 117,142.85

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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.