Home / 129,320.03-193,931.64-45,058.56

Finding the Fourth Proportional to 129,320.03, 193,931.64 and 45,058.56

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Solution

The fourth proportional to 129,320.03, 193,931.64 and 45,058.56 is: 67,570.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,320.03 : 193,931.64 = 45,058.56 : x
  2. Step 2: Convert to fraction form
    129,320.03/193,931.64 = 45,058.56/x
  3. Step 3: Cross multiply
    129,320.03x = 193,931.64 × 45,058.56
  4. Step 4: Simplify right side
    129,320.03x = 8,738,280,436.84
  5. Step 5: Solve for x
    x = 8,738,280,436.84/129,320.03
  6. Step 6: Final answer
    x = 67,570.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.