Home / 105,241.20-145,228.32-57,492.24

Finding the Fourth Proportional to 105,241.20, 145,228.32 and 57,492.24

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Solution

The fourth proportional to 105,241.20, 145,228.32 and 57,492.24 is: 79,336.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,241.20 : 145,228.32 = 57,492.24 : x
  2. Step 2: Convert to fraction form
    105,241.20/145,228.32 = 57,492.24/x
  3. Step 3: Cross multiply
    105,241.20x = 145,228.32 × 57,492.24
  4. Step 4: Simplify right side
    105,241.20x = 8,349,501,428.24
  5. Step 5: Solve for x
    x = 8,349,501,428.24/105,241.20
  6. Step 6: Final answer
    x = 79,336.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.