Home / 203,239.79-304,999.59-70,120.16

Finding the Fourth Proportional to 203,239.79, 304,999.59 and 70,120.16

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Solution

The fourth proportional to 203,239.79, 304,999.59 and 70,120.16 is: 105,228.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,239.79 : 304,999.59 = 70,120.16 : x
  2. Step 2: Convert to fraction form
    203,239.79/304,999.59 = 70,120.16/x
  3. Step 3: Cross multiply
    203,239.79x = 304,999.59 × 70,120.16
  4. Step 4: Simplify right side
    203,239.79x = 21,386,618,525.74
  5. Step 5: Solve for x
    x = 21,386,618,525.74/203,239.79
  6. Step 6: Final answer
    x = 105,228.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.