Home / 102,717.51-154,111.30-55,337.46

Finding the Fourth Proportional to 102,717.51, 154,111.30 and 55,337.46

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Solution

The fourth proportional to 102,717.51, 154,111.30 and 55,337.46 is: 83,025.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,717.51 : 154,111.30 = 55,337.46 : x
  2. Step 2: Convert to fraction form
    102,717.51/154,111.30 = 55,337.46/x
  3. Step 3: Cross multiply
    102,717.51x = 154,111.30 × 55,337.46
  4. Step 4: Simplify right side
    102,717.51x = 8,528,127,946.16
  5. Step 5: Solve for x
    x = 8,528,127,946.16/102,717.51
  6. Step 6: Final answer
    x = 83,025.07

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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.