Home / 103,631.46-142,904.43-97,602.90

Finding the Fourth Proportional to 103,631.46, 142,904.43 and 97,602.90

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Solution

The fourth proportional to 103,631.46, 142,904.43 and 97,602.90 is: 134,591.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,631.46 : 142,904.43 = 97,602.90 : x
  2. Step 2: Convert to fraction form
    103,631.46/142,904.43 = 97,602.90/x
  3. Step 3: Cross multiply
    103,631.46x = 142,904.43 × 97,602.90
  4. Step 4: Simplify right side
    103,631.46x = 13,947,886,790.85
  5. Step 5: Solve for x
    x = 13,947,886,790.85/103,631.46
  6. Step 6: Final answer
    x = 134,591.24

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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.