Home / 105,320.40-157,980.60-35,199.72

Finding the Fourth Proportional to 105,320.40, 157,980.60 and 35,199.72

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Solution

The fourth proportional to 105,320.40, 157,980.60 and 35,199.72 is: 52,799.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,320.40 : 157,980.60 = 35,199.72 : x
  2. Step 2: Convert to fraction form
    105,320.40/157,980.60 = 35,199.72/x
  3. Step 3: Cross multiply
    105,320.40x = 157,980.60 × 35,199.72
  4. Step 4: Simplify right side
    105,320.40x = 5,560,872,885.43
  5. Step 5: Solve for x
    x = 5,560,872,885.43/105,320.40
  6. Step 6: Final answer
    x = 52,799.58

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1.5x scale

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.