Home / 141,339.65-195,094.17-90,489.34

Finding the Fourth Proportional to 141,339.65, 195,094.17 and 90,489.34

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Solution

The fourth proportional to 141,339.65, 195,094.17 and 90,489.34 is: 124,904.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,339.65 : 195,094.17 = 90,489.34 : x
  2. Step 2: Convert to fraction form
    141,339.65/195,094.17 = 90,489.34/x
  3. Step 3: Cross multiply
    141,339.65x = 195,094.17 × 90,489.34
  4. Step 4: Simplify right side
    141,339.65x = 17,653,941,827.61
  5. Step 5: Solve for x
    x = 17,653,941,827.61/141,339.65
  6. Step 6: Final answer
    x = 124,904.38

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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.