Home / 131,777.60-181,853.16-71,348.26

Finding the Fourth Proportional to 131,777.60, 181,853.16 and 71,348.26

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Solution

The fourth proportional to 131,777.60, 181,853.16 and 71,348.26 is: 98,460.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,777.60 : 181,853.16 = 71,348.26 : x
  2. Step 2: Convert to fraction form
    131,777.60/181,853.16 = 71,348.26/x
  3. Step 3: Cross multiply
    131,777.60x = 181,853.16 × 71,348.26
  4. Step 4: Simplify right side
    131,777.60x = 12,974,906,541.50
  5. Step 5: Solve for x
    x = 12,974,906,541.50/131,777.60
  6. Step 6: Final answer
    x = 98,460.64

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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.