Home / 74,177.27-102,364.51-40,186.62

Finding the Fourth Proportional to 74,177.27, 102,364.51 and 40,186.62

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Solution

The fourth proportional to 74,177.27, 102,364.51 and 40,186.62 is: 55,457.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,177.27 : 102,364.51 = 40,186.62 : x
  2. Step 2: Convert to fraction form
    74,177.27/102,364.51 = 40,186.62/x
  3. Step 3: Cross multiply
    74,177.27x = 102,364.51 × 40,186.62
  4. Step 4: Simplify right side
    74,177.27x = 4,113,683,639.74
  5. Step 5: Solve for x
    x = 4,113,683,639.74/74,177.27
  6. Step 6: Final answer
    x = 55,457.47

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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.