Home / 141,340.65-195,095.55-90,490.34

Finding the Fourth Proportional to 141,340.65, 195,095.55 and 90,490.34

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Solution

The fourth proportional to 141,340.65, 195,095.55 and 90,490.34 is: 124,905.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,340.65 : 195,095.55 = 90,490.34 : x
  2. Step 2: Convert to fraction form
    141,340.65/195,095.55 = 90,490.34/x
  3. Step 3: Cross multiply
    141,340.65x = 195,095.55 × 90,490.34
  4. Step 4: Simplify right side
    141,340.65x = 17,654,261,676.51
  5. Step 5: Solve for x
    x = 17,654,261,676.51/141,340.65
  6. Step 6: Final answer
    x = 124,905.76

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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.