Home / 131,346.79-181,259.24-74,758.16

Finding the Fourth Proportional to 131,346.79, 181,259.24 and 74,758.16

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Solution

The fourth proportional to 131,346.79, 181,259.24 and 74,758.16 is: 103,166.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,346.79 : 181,259.24 = 74,758.16 : x
  2. Step 2: Convert to fraction form
    131,346.79/181,259.24 = 74,758.16/x
  3. Step 3: Cross multiply
    131,346.79x = 181,259.24 × 74,758.16
  4. Step 4: Simplify right side
    131,346.79x = 13,550,607,344.76
  5. Step 5: Solve for x
    x = 13,550,607,344.76/131,346.79
  6. Step 6: Final answer
    x = 103,166.64

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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.