Home / 112,404.11-168,602.27-28,165.01

Finding the Fourth Proportional to 112,404.11, 168,602.27 and 28,165.01

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Solution

The fourth proportional to 112,404.11, 168,602.27 and 28,165.01 is: 42,246.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,404.11 : 168,602.27 = 28,165.01 : x
  2. Step 2: Convert to fraction form
    112,404.11/168,602.27 = 28,165.01/x
  3. Step 3: Cross multiply
    112,404.11x = 168,602.27 × 28,165.01
  4. Step 4: Simplify right side
    112,404.11x = 4,748,683,636.74
  5. Step 5: Solve for x
    x = 4,748,683,636.74/112,404.11
  6. Step 6: Final answer
    x = 42,246.53

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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.