Home / 134,515.29-185,632.29-74,088.03

Finding the Fourth Proportional to 134,515.29, 185,632.29 and 74,088.03

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Solution

The fourth proportional to 134,515.29, 185,632.29 and 74,088.03 is: 102,242.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,515.29 : 185,632.29 = 74,088.03 : x
  2. Step 2: Convert to fraction form
    134,515.29/185,632.29 = 74,088.03/x
  3. Step 3: Cross multiply
    134,515.29x = 185,632.29 × 74,088.03
  4. Step 4: Simplify right side
    134,515.29x = 13,753,130,322.43
  5. Step 5: Solve for x
    x = 13,753,130,322.43/134,515.29
  6. Step 6: Final answer
    x = 102,242.13

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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.