Home / 132,655.01-183,062.81-72,225.56

Finding the Fourth Proportional to 132,655.01, 183,062.81 and 72,225.56

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Solution

The fourth proportional to 132,655.01, 183,062.81 and 72,225.56 is: 99,670.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,655.01 : 183,062.81 = 72,225.56 : x
  2. Step 2: Convert to fraction form
    132,655.01/183,062.81 = 72,225.56/x
  3. Step 3: Cross multiply
    132,655.01x = 183,062.81 × 72,225.56
  4. Step 4: Simplify right side
    132,655.01x = 13,221,812,690.98
  5. Step 5: Solve for x
    x = 13,221,812,690.98/132,655.01
  6. Step 6: Final answer
    x = 99,670.67

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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.