Home / 130,596.48-180,233.64-74,011.50

Finding the Fourth Proportional to 130,596.48, 180,233.64 and 74,011.50

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Solution

The fourth proportional to 130,596.48, 180,233.64 and 74,011.50 is: 102,141.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,596.48 : 180,233.64 = 74,011.50 : x
  2. Step 2: Convert to fraction form
    130,596.48/180,233.64 = 74,011.50/x
  3. Step 3: Cross multiply
    130,596.48x = 180,233.64 × 74,011.50
  4. Step 4: Simplify right side
    130,596.48x = 13,339,362,046.86
  5. Step 5: Solve for x
    x = 13,339,362,046.86/130,596.48
  6. Step 6: Final answer
    x = 102,141.82

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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.