Home / 145,527.60-218,291.40-143,194.80

Finding the Fourth Proportional to 145,527.60, 218,291.40 and 143,194.80

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Solution

The fourth proportional to 145,527.60, 218,291.40 and 143,194.80 is: 214,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,527.60 : 218,291.40 = 143,194.80 : x
  2. Step 2: Convert to fraction form
    145,527.60/218,291.40 = 143,194.80/x
  3. Step 3: Cross multiply
    145,527.60x = 218,291.40 × 143,194.80
  4. Step 4: Simplify right side
    145,527.60x = 31,258,193,364.72
  5. Step 5: Solve for x
    x = 31,258,193,364.72/145,527.60
  6. Step 6: Final answer
    x = 214,792.20

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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.