Home / 145,378.56-200,592.99-84,937.53

Finding the Fourth Proportional to 145,378.56, 200,592.99 and 84,937.53

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Solution

The fourth proportional to 145,378.56, 200,592.99 and 84,937.53 is: 117,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,378.56 : 200,592.99 = 84,937.53 : x
  2. Step 2: Convert to fraction form
    145,378.56/200,592.99 = 84,937.53/x
  3. Step 3: Cross multiply
    145,378.56x = 200,592.99 × 84,937.53
  4. Step 4: Simplify right side
    145,378.56x = 17,037,873,105.91
  5. Step 5: Solve for x
    x = 17,037,873,105.91/145,378.56
  6. Step 6: Final answer
    x = 117,196.60

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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.