Home / 157,477.31-236,167.45-45,127.37

Finding the Fourth Proportional to 157,477.31, 236,167.45 and 45,127.37

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Solution

The fourth proportional to 157,477.31, 236,167.45 and 45,127.37 is: 67,677.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,477.31 : 236,167.45 = 45,127.37 : x
  2. Step 2: Convert to fraction form
    157,477.31/236,167.45 = 45,127.37/x
  3. Step 3: Cross multiply
    157,477.31x = 236,167.45 × 45,127.37
  4. Step 4: Simplify right side
    157,477.31x = 10,657,615,898.11
  5. Step 5: Solve for x
    x = 10,657,615,898.11/157,477.31
  6. Step 6: Final answer
    x = 67,677.15

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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.