Home / 112,070.05-168,150.14-45,515.40

Finding the Fourth Proportional to 112,070.05, 168,150.14 and 45,515.40

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Solution

The fourth proportional to 112,070.05, 168,150.14 and 45,515.40 is: 68,291.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,070.05 : 168,150.14 = 45,515.40 : x
  2. Step 2: Convert to fraction form
    112,070.05/168,150.14 = 45,515.40/x
  3. Step 3: Cross multiply
    112,070.05x = 168,150.14 × 45,515.40
  4. Step 4: Simplify right side
    112,070.05x = 7,653,420,882.16
  5. Step 5: Solve for x
    x = 7,653,420,882.16/112,070.05
  6. Step 6: Final answer
    x = 68,291.40

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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.