Home / 102,088.36-153,132.54-31,973.14

Finding the Fourth Proportional to 102,088.36, 153,132.54 and 31,973.14

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Solution

The fourth proportional to 102,088.36, 153,132.54 and 31,973.14 is: 47,959.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,088.36 : 153,132.54 = 31,973.14 : x
  2. Step 2: Convert to fraction form
    102,088.36/153,132.54 = 31,973.14/x
  3. Step 3: Cross multiply
    102,088.36x = 153,132.54 × 31,973.14
  4. Step 4: Simplify right side
    102,088.36x = 4,896,128,139.98
  5. Step 5: Solve for x
    x = 4,896,128,139.98/102,088.36
  6. Step 6: Final answer
    x = 47,959.71

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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.