Home / 130,648.52-180,291.48-74,059.76

Finding the Fourth Proportional to 130,648.52, 180,291.48 and 74,059.76

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Solution

The fourth proportional to 130,648.52, 180,291.48 and 74,059.76 is: 102,200.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,648.52 : 180,291.48 = 74,059.76 : x
  2. Step 2: Convert to fraction form
    130,648.52/180,291.48 = 74,059.76/x
  3. Step 3: Cross multiply
    130,648.52x = 180,291.48 × 74,059.76
  4. Step 4: Simplify right side
    130,648.52x = 13,352,343,738.84
  5. Step 5: Solve for x
    x = 13,352,343,738.84/130,648.52
  6. Step 6: Final answer
    x = 102,200.50

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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.