Home / 136,867.52-205,430.43-70,354.35

Finding the Fourth Proportional to 136,867.52, 205,430.43 and 70,354.35

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Solution

The fourth proportional to 136,867.52, 205,430.43 and 70,354.35 is: 105,597.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,867.52 : 205,430.43 = 70,354.35 : x
  2. Step 2: Convert to fraction form
    136,867.52/205,430.43 = 70,354.35/x
  3. Step 3: Cross multiply
    136,867.52x = 205,430.43 × 70,354.35
  4. Step 4: Simplify right side
    136,867.52x = 14,452,924,372.87
  5. Step 5: Solve for x
    x = 14,452,924,372.87/136,867.52
  6. Step 6: Final answer
    x = 105,597.92

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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.