Home / 131,527.60-181,504.40-74,166.40

Finding the Fourth Proportional to 131,527.60, 181,504.40 and 74,166.40

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Solution

The fourth proportional to 131,527.60, 181,504.40 and 74,166.40 is: 102,347.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,527.60 : 181,504.40 = 74,166.40 : x
  2. Step 2: Convert to fraction form
    131,527.60/181,504.40 = 74,166.40/x
  3. Step 3: Cross multiply
    131,527.60x = 181,504.40 × 74,166.40
  4. Step 4: Simplify right side
    131,527.60x = 13,461,527,932.16
  5. Step 5: Solve for x
    x = 13,461,527,932.16/131,527.60
  6. Step 6: Final answer
    x = 102,347.55

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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.