Home / 131,693.37-181,737.45-71,264.40

Finding the Fourth Proportional to 131,693.37, 181,737.45 and 71,264.40

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Solution

The fourth proportional to 131,693.37, 181,737.45 and 71,264.40 is: 98,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,693.37 : 181,737.45 = 71,264.40 : x
  2. Step 2: Convert to fraction form
    131,693.37/181,737.45 = 71,264.40/x
  3. Step 3: Cross multiply
    131,693.37x = 181,737.45 × 71,264.40
  4. Step 4: Simplify right side
    131,693.37x = 12,951,410,331.78
  5. Step 5: Solve for x
    x = 12,951,410,331.78/131,693.37
  6. Step 6: Final answer
    x = 98,345.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.