Home / 145,445.80-200,628.18-88,758.76

Finding the Fourth Proportional to 145,445.80, 200,628.18 and 88,758.76

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Solution

The fourth proportional to 145,445.80, 200,628.18 and 88,758.76 is: 122,433.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,445.80 : 200,628.18 = 88,758.76 : x
  2. Step 2: Convert to fraction form
    145,445.80/200,628.18 = 88,758.76/x
  3. Step 3: Cross multiply
    145,445.80x = 200,628.18 × 88,758.76
  4. Step 4: Simplify right side
    145,445.80x = 17,807,508,477.86
  5. Step 5: Solve for x
    x = 17,807,508,477.86/145,445.80
  6. Step 6: Final answer
    x = 122,433.98

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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.