Home / 131,970.34-182,189.73-103,228.93

Finding the Fourth Proportional to 131,970.34, 182,189.73 and 103,228.93

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Solution

The fourth proportional to 131,970.34, 182,189.73 and 103,228.93 is: 142,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,970.34 : 182,189.73 = 103,228.93 : x
  2. Step 2: Convert to fraction form
    131,970.34/182,189.73 = 103,228.93/x
  3. Step 3: Cross multiply
    131,970.34x = 182,189.73 × 103,228.93
  4. Step 4: Simplify right side
    131,970.34x = 18,807,250,884.89
  5. Step 5: Solve for x
    x = 18,807,250,884.89/131,970.34
  6. Step 6: Final answer
    x = 142,511.20

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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.