Home / 112,178.34-168,218.22-42,008.45

Finding the Fourth Proportional to 112,178.34, 168,218.22 and 42,008.45

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Solution

The fourth proportional to 112,178.34, 168,218.22 and 42,008.45 is: 62,994.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,178.34 : 168,218.22 = 42,008.45 : x
  2. Step 2: Convert to fraction form
    112,178.34/168,218.22 = 42,008.45/x
  3. Step 3: Cross multiply
    112,178.34x = 168,218.22 × 42,008.45
  4. Step 4: Simplify right side
    112,178.34x = 7,066,586,000.40
  5. Step 5: Solve for x
    x = 7,066,586,000.40/112,178.34
  6. Step 6: Final answer
    x = 62,994.21

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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.