Home / 130,431.60-195,598.80-46,159.20

Finding the Fourth Proportional to 130,431.60, 195,598.80 and 46,159.20

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Solution

The fourth proportional to 130,431.60, 195,598.80 and 46,159.20 is: 69,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,431.60 : 195,598.80 = 46,159.20 : x
  2. Step 2: Convert to fraction form
    130,431.60/195,598.80 = 46,159.20/x
  3. Step 3: Cross multiply
    130,431.60x = 195,598.80 × 46,159.20
  4. Step 4: Simplify right side
    130,431.60x = 9,028,684,128.96
  5. Step 5: Solve for x
    x = 9,028,684,128.96/130,431.60
  6. Step 6: Final answer
    x = 69,221.60

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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.