Home / 197,312.70-295,969.05-72,702.30

Finding the Fourth Proportional to 197,312.70, 295,969.05 and 72,702.30

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Solution

The fourth proportional to 197,312.70, 295,969.05 and 72,702.30 is: 109,053.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,312.70 : 295,969.05 = 72,702.30 : x
  2. Step 2: Convert to fraction form
    197,312.70/295,969.05 = 72,702.30/x
  3. Step 3: Cross multiply
    197,312.70x = 295,969.05 × 72,702.30
  4. Step 4: Simplify right side
    197,312.70x = 21,517,630,663.82
  5. Step 5: Solve for x
    x = 21,517,630,663.82/197,312.70
  6. Step 6: Final answer
    x = 109,053.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.