Home / 74,244.81-102,457.89-40,253.34

Finding the Fourth Proportional to 74,244.81, 102,457.89 and 40,253.34

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Solution

The fourth proportional to 74,244.81, 102,457.89 and 40,253.34 is: 55,549.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,244.81 : 102,457.89 = 40,253.34 : x
  2. Step 2: Convert to fraction form
    74,244.81/102,457.89 = 40,253.34/x
  3. Step 3: Cross multiply
    74,244.81x = 102,457.89 × 40,253.34
  4. Step 4: Simplify right side
    74,244.81x = 4,124,272,281.85
  5. Step 5: Solve for x
    x = 4,124,272,281.85/74,244.81
  6. Step 6: Final answer
    x = 55,549.64

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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.