Home / 115,429.70-173,176.95-56,267.30

Finding the Fourth Proportional to 115,429.70, 173,176.95 and 56,267.30

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Solution

The fourth proportional to 115,429.70, 173,176.95 and 56,267.30 is: 84,416.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,429.70 : 173,176.95 = 56,267.30 : x
  2. Step 2: Convert to fraction form
    115,429.70/173,176.95 = 56,267.30/x
  3. Step 3: Cross multiply
    115,429.70x = 173,176.95 × 56,267.30
  4. Step 4: Simplify right side
    115,429.70x = 9,744,199,398.74
  5. Step 5: Solve for x
    x = 9,744,199,398.74/115,429.70
  6. Step 6: Final answer
    x = 84,416.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.