Home / 145,230.94-200,440.95-88,675.42

Finding the Fourth Proportional to 145,230.94, 200,440.95 and 88,675.42

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Solution

The fourth proportional to 145,230.94, 200,440.95 and 88,675.42 is: 122,385.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,230.94 : 200,440.95 = 88,675.42 : x
  2. Step 2: Convert to fraction form
    145,230.94/200,440.95 = 88,675.42/x
  3. Step 3: Cross multiply
    145,230.94x = 200,440.95 × 88,675.42
  4. Step 4: Simplify right side
    145,230.94x = 17,774,185,426.45
  5. Step 5: Solve for x
    x = 17,774,185,426.45/145,230.94
  6. Step 6: Final answer
    x = 122,385.67

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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.