Home / 131,719.28-197,587.40-46,319.66

Finding the Fourth Proportional to 131,719.28, 197,587.40 and 46,319.66

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Solution

The fourth proportional to 131,719.28, 197,587.40 and 46,319.66 is: 69,482.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,719.28 : 197,587.40 = 46,319.66 : x
  2. Step 2: Convert to fraction form
    131,719.28/197,587.40 = 46,319.66/x
  3. Step 3: Cross multiply
    131,719.28x = 197,587.40 × 46,319.66
  4. Step 4: Simplify right side
    131,719.28x = 9,152,180,316.15
  5. Step 5: Solve for x
    x = 9,152,180,316.15/131,719.28
  6. Step 6: Final answer
    x = 69,482.47

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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.