Home / 113,289.92-156,275.50-70,249.76

Finding the Fourth Proportional to 113,289.92, 156,275.50 and 70,249.76

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Solution

The fourth proportional to 113,289.92, 156,275.50 and 70,249.76 is: 96,904.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,289.92 : 156,275.50 = 70,249.76 : x
  2. Step 2: Convert to fraction form
    113,289.92/156,275.50 = 70,249.76/x
  3. Step 3: Cross multiply
    113,289.92x = 156,275.50 × 70,249.76
  4. Step 4: Simplify right side
    113,289.92x = 10,978,316,368.88
  5. Step 5: Solve for x
    x = 10,978,316,368.88/113,289.92
  6. Step 6: Final answer
    x = 96,904.62

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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.