Home / 125,590.15-173,317.47-71,892.46

Finding the Fourth Proportional to 125,590.15, 173,317.47 and 71,892.46

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Solution

The fourth proportional to 125,590.15, 173,317.47 and 71,892.46 is: 99,213.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,590.15 : 173,317.47 = 71,892.46 : x
  2. Step 2: Convert to fraction form
    125,590.15/173,317.47 = 71,892.46/x
  3. Step 3: Cross multiply
    125,590.15x = 173,317.47 × 71,892.46
  4. Step 4: Simplify right side
    125,590.15x = 12,460,219,630.72
  5. Step 5: Solve for x
    x = 12,460,219,630.72/125,590.15
  6. Step 6: Final answer
    x = 99,213.35

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1.5x scale

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.