Home / 145,250.10-200,233.89-101,506.85

Finding the Fourth Proportional to 145,250.10, 200,233.89 and 101,506.85

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Solution

The fourth proportional to 145,250.10, 200,233.89 and 101,506.85 is: 139,931.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,250.10 : 200,233.89 = 101,506.85 : x
  2. Step 2: Convert to fraction form
    145,250.10/200,233.89 = 101,506.85/x
  3. Step 3: Cross multiply
    145,250.10x = 200,233.89 × 101,506.85
  4. Step 4: Simplify right side
    145,250.10x = 20,325,110,623.70
  5. Step 5: Solve for x
    x = 20,325,110,623.70/145,250.10
  6. Step 6: Final answer
    x = 139,931.82

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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.