Home / 104,740.30-144,628.95-97,142.50

Finding the Fourth Proportional to 104,740.30, 144,628.95 and 97,142.50

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Solution

The fourth proportional to 104,740.30, 144,628.95 and 97,142.50 is: 134,137.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,740.30 : 144,628.95 = 97,142.50 : x
  2. Step 2: Convert to fraction form
    104,740.30/144,628.95 = 97,142.50/x
  3. Step 3: Cross multiply
    104,740.30x = 144,628.95 × 97,142.50
  4. Step 4: Simplify right side
    104,740.30x = 14,049,617,775.38
  5. Step 5: Solve for x
    x = 14,049,617,775.38/104,740.30
  6. Step 6: Final answer
    x = 134,137.65

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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.