Home / 75,298.16-112,960.20-40,228.40

Finding the Fourth Proportional to 75,298.16, 112,960.20 and 40,228.40

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Solution

The fourth proportional to 75,298.16, 112,960.20 and 40,228.40 is: 60,349.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,298.16 : 112,960.20 = 40,228.40 : x
  2. Step 2: Convert to fraction form
    75,298.16/112,960.20 = 40,228.40/x
  3. Step 3: Cross multiply
    75,298.16x = 112,960.20 × 40,228.40
  4. Step 4: Simplify right side
    75,298.16x = 4,544,208,109.68
  5. Step 5: Solve for x
    x = 4,544,208,109.68/75,298.16
  6. Step 6: Final answer
    x = 60,349.52

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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.