Home / 157,087.35-235,612.80-44,784.90

Finding the Fourth Proportional to 157,087.35, 235,612.80 and 44,784.90

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Solution

The fourth proportional to 157,087.35, 235,612.80 and 44,784.90 is: 67,172.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,087.35 : 235,612.80 = 44,784.90 : x
  2. Step 2: Convert to fraction form
    157,087.35/235,612.80 = 44,784.90/x
  3. Step 3: Cross multiply
    157,087.35x = 235,612.80 × 44,784.90
  4. Step 4: Simplify right side
    157,087.35x = 10,551,895,686.72
  5. Step 5: Solve for x
    x = 10,551,895,686.72/157,087.35
  6. Step 6: Final answer
    x = 67,172.15

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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.