Home / 92,178.64-138,341.78-42,282.24

Finding the Fourth Proportional to 92,178.64, 138,341.78 and 42,282.24

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Solution

The fourth proportional to 92,178.64, 138,341.78 and 42,282.24 is: 63,457.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,178.64 : 138,341.78 = 42,282.24 : x
  2. Step 2: Convert to fraction form
    92,178.64/138,341.78 = 42,282.24/x
  3. Step 3: Cross multiply
    92,178.64x = 138,341.78 × 42,282.24
  4. Step 4: Simplify right side
    92,178.64x = 5,849,400,343.99
  5. Step 5: Solve for x
    x = 5,849,400,343.99/92,178.64
  6. Step 6: Final answer
    x = 63,457.22

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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.