Home / 157,293.30-235,421.55-122,042.10

Finding the Fourth Proportional to 157,293.30, 235,421.55 and 122,042.10

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Solution

The fourth proportional to 157,293.30, 235,421.55 and 122,042.10 is: 182,660.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,293.30 : 235,421.55 = 122,042.10 : x
  2. Step 2: Convert to fraction form
    157,293.30/235,421.55 = 122,042.10/x
  3. Step 3: Cross multiply
    157,293.30x = 235,421.55 × 122,042.10
  4. Step 4: Simplify right side
    157,293.30x = 28,731,340,347.26
  5. Step 5: Solve for x
    x = 28,731,340,347.26/157,293.30
  6. Step 6: Final answer
    x = 182,660.93

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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.