Home / 88,946.51-133,523.64-70,239.15

Finding the Fourth Proportional to 88,946.51, 133,523.64 and 70,239.15

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Solution

The fourth proportional to 88,946.51, 133,523.64 and 70,239.15 is: 105,440.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,946.51 : 133,523.64 = 70,239.15 : x
  2. Step 2: Convert to fraction form
    88,946.51/133,523.64 = 70,239.15/x
  3. Step 3: Cross multiply
    88,946.51x = 133,523.64 × 70,239.15
  4. Step 4: Simplify right side
    88,946.51x = 9,378,586,978.51
  5. Step 5: Solve for x
    x = 9,378,586,978.51/88,946.51
  6. Step 6: Final answer
    x = 105,440.76

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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.