Home / 157,478.48-236,146.56-45,132.96

Finding the Fourth Proportional to 157,478.48, 236,146.56 and 45,132.96

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Solution

The fourth proportional to 157,478.48, 236,146.56 and 45,132.96 is: 67,679.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,478.48 : 236,146.56 = 45,132.96 : x
  2. Step 2: Convert to fraction form
    157,478.48/236,146.56 = 45,132.96/x
  3. Step 3: Cross multiply
    157,478.48x = 236,146.56 × 45,132.96
  4. Step 4: Simplify right side
    157,478.48x = 10,657,993,246.62
  5. Step 5: Solve for x
    x = 10,657,993,246.62/157,478.48
  6. Step 6: Final answer
    x = 67,679.05

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1.5x scale

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.