Home / 175,934.16-242,815.56-138,490.32

Finding the Fourth Proportional to 175,934.16, 242,815.56 and 138,490.32

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Solution

The fourth proportional to 175,934.16, 242,815.56 and 138,490.32 is: 191,137.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,934.16 : 242,815.56 = 138,490.32 : x
  2. Step 2: Convert to fraction form
    175,934.16/242,815.56 = 138,490.32/x
  3. Step 3: Cross multiply
    175,934.16x = 242,815.56 × 138,490.32
  4. Step 4: Simplify right side
    175,934.16x = 33,627,604,605.38
  5. Step 5: Solve for x
    x = 33,627,604,605.38/175,934.16
  6. Step 6: Final answer
    x = 191,137.44

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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.