Home / 130,400.80-195,601.20-47,264.80

Finding the Fourth Proportional to 130,400.80, 195,601.20 and 47,264.80

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Solution

The fourth proportional to 130,400.80, 195,601.20 and 47,264.80 is: 70,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,400.80 : 195,601.20 = 47,264.80 : x
  2. Step 2: Convert to fraction form
    130,400.80/195,601.20 = 47,264.80/x
  3. Step 3: Cross multiply
    130,400.80x = 195,601.20 × 47,264.80
  4. Step 4: Simplify right side
    130,400.80x = 9,245,051,597.76
  5. Step 5: Solve for x
    x = 9,245,051,597.76/130,400.80
  6. Step 6: Final answer
    x = 70,897.20

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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.