Home / 157,646.18-236,503.05-45,325.40

Finding the Fourth Proportional to 157,646.18, 236,503.05 and 45,325.40

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Solution

The fourth proportional to 157,646.18, 236,503.05 and 45,325.40 is: 67,997.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,646.18 : 236,503.05 = 45,325.40 : x
  2. Step 2: Convert to fraction form
    157,646.18/236,503.05 = 45,325.40/x
  3. Step 3: Cross multiply
    157,646.18x = 236,503.05 × 45,325.40
  4. Step 4: Simplify right side
    157,646.18x = 10,719,595,342.47
  5. Step 5: Solve for x
    x = 10,719,595,342.47/157,646.18
  6. Step 6: Final answer
    x = 67,997.81

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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.