Home / 134,666.23-185,831.07-74,233.75

Finding the Fourth Proportional to 134,666.23, 185,831.07 and 74,233.75

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Solution

The fourth proportional to 134,666.23, 185,831.07 and 74,233.75 is: 102,437.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,666.23 : 185,831.07 = 74,233.75 : x
  2. Step 2: Convert to fraction form
    134,666.23/185,831.07 = 74,233.75/x
  3. Step 3: Cross multiply
    134,666.23x = 185,831.07 × 74,233.75
  4. Step 4: Simplify right side
    134,666.23x = 13,794,937,192.61
  5. Step 5: Solve for x
    x = 13,794,937,192.61/134,666.23
  6. Step 6: Final answer
    x = 102,437.98

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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.