Home / 126,919.34-175,148.70-70,330.72

Finding the Fourth Proportional to 126,919.34, 175,148.70 and 70,330.72

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Solution

The fourth proportional to 126,919.34, 175,148.70 and 70,330.72 is: 97,056.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,919.34 : 175,148.70 = 70,330.72 : x
  2. Step 2: Convert to fraction form
    126,919.34/175,148.70 = 70,330.72/x
  3. Step 3: Cross multiply
    126,919.34x = 175,148.70 × 70,330.72
  4. Step 4: Simplify right side
    126,919.34x = 12,318,334,178.06
  5. Step 5: Solve for x
    x = 12,318,334,178.06/126,919.34
  6. Step 6: Final answer
    x = 97,056.40

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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.