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Finding the Fourth Proportional to 160,130.40, 240,399.68 and 130,605.76

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Solution

The fourth proportional to 160,130.40, 240,399.68 and 130,605.76 is: 196,075.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,130.40 : 240,399.68 = 130,605.76 : x
  2. Step 2: Convert to fraction form
    160,130.40/240,399.68 = 130,605.76/x
  3. Step 3: Cross multiply
    160,130.40x = 240,399.68 × 130,605.76
  4. Step 4: Simplify right side
    160,130.40x = 31,397,582,910.16
  5. Step 5: Solve for x
    x = 31,397,582,910.16/160,130.40
  6. Step 6: Final answer
    x = 196,075.09

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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.