Home / 113,275.55-156,281.33-70,239.54

Finding the Fourth Proportional to 113,275.55, 156,281.33 and 70,239.54

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Solution

The fourth proportional to 113,275.55, 156,281.33 and 70,239.54 is: 96,906.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,275.55 : 156,281.33 = 70,239.54 : x
  2. Step 2: Convert to fraction form
    113,275.55/156,281.33 = 70,239.54/x
  3. Step 3: Cross multiply
    113,275.55x = 156,281.33 × 70,239.54
  4. Step 4: Simplify right side
    113,275.55x = 10,977,128,729.79
  5. Step 5: Solve for x
    x = 10,977,128,729.79/113,275.55
  6. Step 6: Final answer
    x = 96,906.43

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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.