Home / 131,741.70-197,545.32-42,938.16

Finding the Fourth Proportional to 131,741.70, 197,545.32 and 42,938.16

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Solution

The fourth proportional to 131,741.70, 197,545.32 and 42,938.16 is: 64,385.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,741.70 : 197,545.32 = 42,938.16 : x
  2. Step 2: Convert to fraction form
    131,741.70/197,545.32 = 42,938.16/x
  3. Step 3: Cross multiply
    131,741.70x = 197,545.32 × 42,938.16
  4. Step 4: Simplify right side
    131,741.70x = 8,482,232,557.41
  5. Step 5: Solve for x
    x = 8,482,232,557.41/131,741.70
  6. Step 6: Final answer
    x = 64,385.33

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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.