Home / 125,606.10-173,332.80-71,889.29

Finding the Fourth Proportional to 125,606.10, 173,332.80 and 71,889.29

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Solution

The fourth proportional to 125,606.10, 173,332.80 and 71,889.29 is: 99,205.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,606.10 : 173,332.80 = 71,889.29 : x
  2. Step 2: Convert to fraction form
    125,606.10/173,332.80 = 71,889.29/x
  3. Step 3: Cross multiply
    125,606.10x = 173,332.80 × 71,889.29
  4. Step 4: Simplify right side
    125,606.10x = 12,460,771,925.71
  5. Step 5: Solve for x
    x = 12,460,771,925.71/125,606.10
  6. Step 6: Final answer
    x = 99,205.15

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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.