Home / 112,179.62-168,129.10-56,035.40

Finding the Fourth Proportional to 112,179.62, 168,129.10 and 56,035.40

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Solution

The fourth proportional to 112,179.62, 168,129.10 and 56,035.40 is: 83,983.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,179.62 : 168,129.10 = 56,035.40 : x
  2. Step 2: Convert to fraction form
    112,179.62/168,129.10 = 56,035.40/x
  3. Step 3: Cross multiply
    112,179.62x = 168,129.10 × 56,035.40
  4. Step 4: Simplify right side
    112,179.62x = 9,421,181,370.14
  5. Step 5: Solve for x
    x = 9,421,181,370.14/112,179.62
  6. Step 6: Final answer
    x = 83,983.00

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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.