Home / 152,370.85-210,278.09-84,387.87

Finding the Fourth Proportional to 152,370.85, 210,278.09 and 84,387.87

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Solution

The fourth proportional to 152,370.85, 210,278.09 and 84,387.87 is: 116,458.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,370.85 : 210,278.09 = 84,387.87 : x
  2. Step 2: Convert to fraction form
    152,370.85/210,278.09 = 84,387.87/x
  3. Step 3: Cross multiply
    152,370.85x = 210,278.09 × 84,387.87
  4. Step 4: Simplify right side
    152,370.85x = 17,744,920,228.20
  5. Step 5: Solve for x
    x = 17,744,920,228.20/152,370.85
  6. Step 6: Final answer
    x = 116,458.76

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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.