Home / 130,461.60-195,692.40-47,344.80

Finding the Fourth Proportional to 130,461.60, 195,692.40 and 47,344.80

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Solution

The fourth proportional to 130,461.60, 195,692.40 and 47,344.80 is: 71,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,461.60 : 195,692.40 = 47,344.80 : x
  2. Step 2: Convert to fraction form
    130,461.60/195,692.40 = 47,344.80/x
  3. Step 3: Cross multiply
    130,461.60x = 195,692.40 × 47,344.80
  4. Step 4: Simplify right side
    130,461.60x = 9,265,017,539.52
  5. Step 5: Solve for x
    x = 9,265,017,539.52/130,461.60
  6. Step 6: Final answer
    x = 71,017.20

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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.