Home / 242,784.80-335,117.10-140,836.04

Finding the Fourth Proportional to 242,784.80, 335,117.10 and 140,836.04

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Solution

The fourth proportional to 242,784.80, 335,117.10 and 140,836.04 is: 194,396.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,784.80 : 335,117.10 = 140,836.04 : x
  2. Step 2: Convert to fraction form
    242,784.80/335,117.10 = 140,836.04/x
  3. Step 3: Cross multiply
    242,784.80x = 335,117.10 × 140,836.04
  4. Step 4: Simplify right side
    242,784.80x = 47,196,565,300.28
  5. Step 5: Solve for x
    x = 47,196,565,300.28/242,784.80
  6. Step 6: Final answer
    x = 194,396.71

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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.