Home / 147,513.42-203,538.02-86,247.81

Finding the Fourth Proportional to 147,513.42, 203,538.02 and 86,247.81

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Solution

The fourth proportional to 147,513.42, 203,538.02 and 86,247.81 is: 119,004.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,513.42 : 203,538.02 = 86,247.81 : x
  2. Step 2: Convert to fraction form
    147,513.42/203,538.02 = 86,247.81/x
  3. Step 3: Cross multiply
    147,513.42x = 203,538.02 × 86,247.81
  4. Step 4: Simplify right side
    147,513.42x = 17,554,708,045.50
  5. Step 5: Solve for x
    x = 17,554,708,045.50/147,513.42
  6. Step 6: Final answer
    x = 119,004.14

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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.