Home / 131,557.96-197,386.32-79,005.16

Finding the Fourth Proportional to 131,557.96, 197,386.32 and 79,005.16

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Solution

The fourth proportional to 131,557.96, 197,386.32 and 79,005.16 is: 118,537.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,557.96 : 197,386.32 = 79,005.16 : x
  2. Step 2: Convert to fraction form
    131,557.96/197,386.32 = 79,005.16/x
  3. Step 3: Cross multiply
    131,557.96x = 197,386.32 × 79,005.16
  4. Step 4: Simplify right side
    131,557.96x = 15,594,537,793.41
  5. Step 5: Solve for x
    x = 15,594,537,793.41/131,557.96
  6. Step 6: Final answer
    x = 118,537.39

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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.