Home / 132,677.28-183,088.53-72,247.68

Finding the Fourth Proportional to 132,677.28, 183,088.53 and 72,247.68

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Solution

The fourth proportional to 132,677.28, 183,088.53 and 72,247.68 is: 99,698.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,677.28 : 183,088.53 = 72,247.68 : x
  2. Step 2: Convert to fraction form
    132,677.28/183,088.53 = 72,247.68/x
  3. Step 3: Cross multiply
    132,677.28x = 183,088.53 × 72,247.68
  4. Step 4: Simplify right side
    132,677.28x = 13,227,721,527.11
  5. Step 5: Solve for x
    x = 13,227,721,527.11/132,677.28
  6. Step 6: Final answer
    x = 99,698.47

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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.