Home / 132,812.07-183,275.31-72,381.42

Finding the Fourth Proportional to 132,812.07, 183,275.31 and 72,381.42

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Solution

The fourth proportional to 132,812.07, 183,275.31 and 72,381.42 is: 99,883.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,812.07 : 183,275.31 = 72,381.42 : x
  2. Step 2: Convert to fraction form
    132,812.07/183,275.31 = 72,381.42/x
  3. Step 3: Cross multiply
    132,812.07x = 183,275.31 × 72,381.42
  4. Step 4: Simplify right side
    132,812.07x = 13,265,727,188.74
  5. Step 5: Solve for x
    x = 13,265,727,188.74/132,812.07
  6. Step 6: Final answer
    x = 99,883.45

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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.