Home / 157,087.60-235,631.40-125,983.60

Finding the Fourth Proportional to 157,087.60, 235,631.40 and 125,983.60

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Solution

The fourth proportional to 157,087.60, 235,631.40 and 125,983.60 is: 188,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,087.60 : 235,631.40 = 125,983.60 : x
  2. Step 2: Convert to fraction form
    157,087.60/235,631.40 = 125,983.60/x
  3. Step 3: Cross multiply
    157,087.60x = 235,631.40 × 125,983.60
  4. Step 4: Simplify right side
    157,087.60x = 29,685,692,045.04
  5. Step 5: Solve for x
    x = 29,685,692,045.04/157,087.60
  6. Step 6: Final answer
    x = 188,975.40

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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.