Home / 132,611.65-183,008.57-72,184.50

Finding the Fourth Proportional to 132,611.65, 183,008.57 and 72,184.50

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Solution

The fourth proportional to 132,611.65, 183,008.57 and 72,184.50 is: 99,617.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,611.65 : 183,008.57 = 72,184.50 : x
  2. Step 2: Convert to fraction form
    132,611.65/183,008.57 = 72,184.50/x
  3. Step 3: Cross multiply
    132,611.65x = 183,008.57 × 72,184.50
  4. Step 4: Simplify right side
    132,611.65x = 13,210,381,760.24
  5. Step 5: Solve for x
    x = 13,210,381,760.24/132,611.65
  6. Step 6: Final answer
    x = 99,617.05

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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.