Home / 147,332.42-203,343.40-86,918.06

Finding the Fourth Proportional to 147,332.42, 203,343.40 and 86,918.06

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Solution

The fourth proportional to 147,332.42, 203,343.40 and 86,918.06 is: 119,961.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,332.42 : 203,343.40 = 86,918.06 : x
  2. Step 2: Convert to fraction form
    147,332.42/203,343.40 = 86,918.06/x
  3. Step 3: Cross multiply
    147,332.42x = 203,343.40 × 86,918.06
  4. Step 4: Simplify right side
    147,332.42x = 17,674,213,841.80
  5. Step 5: Solve for x
    x = 17,674,213,841.80/147,332.42
  6. Step 6: Final answer
    x = 119,961.47

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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.