Home / 156,749.55-235,124.33-153,639.15

Finding the Fourth Proportional to 156,749.55, 235,124.33 and 153,639.15

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Solution

The fourth proportional to 156,749.55, 235,124.33 and 153,639.15 is: 230,458.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,749.55 : 235,124.33 = 153,639.15 : x
  2. Step 2: Convert to fraction form
    156,749.55/235,124.33 = 153,639.15/x
  3. Step 3: Cross multiply
    156,749.55x = 235,124.33 × 153,639.15
  4. Step 4: Simplify right side
    156,749.55x = 36,124,301,437.32
  5. Step 5: Solve for x
    x = 36,124,301,437.32/156,749.55
  6. Step 6: Final answer
    x = 230,458.73

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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.