Home / 152,775.42-210,826.90-84,788.44

Finding the Fourth Proportional to 152,775.42, 210,826.90 and 84,788.44

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Solution

The fourth proportional to 152,775.42, 210,826.90 and 84,788.44 is: 117,006.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,775.42 : 210,826.90 = 84,788.44 : x
  2. Step 2: Convert to fraction form
    152,775.42/210,826.90 = 84,788.44/x
  3. Step 3: Cross multiply
    152,775.42x = 210,826.90 × 84,788.44
  4. Step 4: Simplify right side
    152,775.42x = 17,875,683,961.04
  5. Step 5: Solve for x
    x = 17,875,683,961.04/152,775.42
  6. Step 6: Final answer
    x = 117,006.28

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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.