Home / 132,931.98-183,484.07-75,602.21

Finding the Fourth Proportional to 132,931.98, 183,484.07 and 75,602.21

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Solution

The fourth proportional to 132,931.98, 183,484.07 and 75,602.21 is: 104,352.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,931.98 : 183,484.07 = 75,602.21 : x
  2. Step 2: Convert to fraction form
    132,931.98/183,484.07 = 75,602.21/x
  3. Step 3: Cross multiply
    132,931.98x = 183,484.07 × 75,602.21
  4. Step 4: Simplify right side
    132,931.98x = 13,871,800,179.87
  5. Step 5: Solve for x
    x = 13,871,800,179.87/132,931.98
  6. Step 6: Final answer
    x = 104,352.62

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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.