Home / 102,409.60-141,330.72-59,971.36

Finding the Fourth Proportional to 102,409.60, 141,330.72 and 59,971.36

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Solution

The fourth proportional to 102,409.60, 141,330.72 and 59,971.36 is: 82,763.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,409.60 : 141,330.72 = 59,971.36 : x
  2. Step 2: Convert to fraction form
    102,409.60/141,330.72 = 59,971.36/x
  3. Step 3: Cross multiply
    102,409.60x = 141,330.72 × 59,971.36
  4. Step 4: Simplify right side
    102,409.60x = 8,475,795,488.18
  5. Step 5: Solve for x
    x = 8,475,795,488.18/102,409.60
  6. Step 6: Final answer
    x = 82,763.68

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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.