Home / 130,641.82-180,285.58-74,053.19

Finding the Fourth Proportional to 130,641.82, 180,285.58 and 74,053.19

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Solution

The fourth proportional to 130,641.82, 180,285.58 and 74,053.19 is: 102,193.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,641.82 : 180,285.58 = 74,053.19 : x
  2. Step 2: Convert to fraction form
    130,641.82/180,285.58 = 74,053.19/x
  3. Step 3: Cross multiply
    130,641.82x = 180,285.58 × 74,053.19
  4. Step 4: Simplify right side
    130,641.82x = 13,350,722,853.28
  5. Step 5: Solve for x
    x = 13,350,722,853.28/130,641.82
  6. Step 6: Final answer
    x = 102,193.33

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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.