Home / 147,313.64-203,283.24-86,870.42

Finding the Fourth Proportional to 147,313.64, 203,283.24 and 86,870.42

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Solution

The fourth proportional to 147,313.64, 203,283.24 and 86,870.42 is: 119,875.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,313.64 : 203,283.24 = 86,870.42 : x
  2. Step 2: Convert to fraction form
    147,313.64/203,283.24 = 86,870.42/x
  3. Step 3: Cross multiply
    147,313.64x = 203,283.24 × 86,870.42
  4. Step 4: Simplify right side
    147,313.64x = 17,659,300,437.76
  5. Step 5: Solve for x
    x = 17,659,300,437.76/147,313.64
  6. Step 6: Final answer
    x = 119,875.53

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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.