Home / 74,152.65-102,330.13-40,160.35

Finding the Fourth Proportional to 74,152.65, 102,330.13 and 40,160.35

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Solution

The fourth proportional to 74,152.65, 102,330.13 and 40,160.35 is: 55,421.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,152.65 : 102,330.13 = 40,160.35 : x
  2. Step 2: Convert to fraction form
    74,152.65/102,330.13 = 40,160.35/x
  3. Step 3: Cross multiply
    74,152.65x = 102,330.13 × 40,160.35
  4. Step 4: Simplify right side
    74,152.65x = 4,109,613,836.35
  5. Step 5: Solve for x
    x = 4,109,613,836.35/74,152.65
  6. Step 6: Final answer
    x = 55,421.00

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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.