Home / 125,607.10-173,334.18-71,890.29

Finding the Fourth Proportional to 125,607.10, 173,334.18 and 71,890.29

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Solution

The fourth proportional to 125,607.10, 173,334.18 and 71,890.29 is: 99,206.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,607.10 : 173,334.18 = 71,890.29 : x
  2. Step 2: Convert to fraction form
    125,607.10/173,334.18 = 71,890.29/x
  3. Step 3: Cross multiply
    125,607.10x = 173,334.18 × 71,890.29
  4. Step 4: Simplify right side
    125,607.10x = 12,461,044,467.11
  5. Step 5: Solve for x
    x = 12,461,044,467.11/125,607.10
  6. Step 6: Final answer
    x = 99,206.53

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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.