Home / 112,178.39-168,218.29-42,008.49

Finding the Fourth Proportional to 112,178.39, 168,218.29 and 42,008.49

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Solution

The fourth proportional to 112,178.39, 168,218.29 and 42,008.49 is: 62,994.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,178.39 : 168,218.29 = 42,008.49 : x
  2. Step 2: Convert to fraction form
    112,178.39/168,218.29 = 42,008.49/x
  3. Step 3: Cross multiply
    112,178.39x = 168,218.29 × 42,008.49
  4. Step 4: Simplify right side
    112,178.39x = 7,066,596,169.49
  5. Step 5: Solve for x
    x = 7,066,596,169.49/112,178.39
  6. Step 6: Final answer
    x = 62,994.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.