Home / 148,938.40-223,407.60-89,743.60

Finding the Fourth Proportional to 148,938.40, 223,407.60 and 89,743.60

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Solution

The fourth proportional to 148,938.40, 223,407.60 and 89,743.60 is: 134,615.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,938.40 : 223,407.60 = 89,743.60 : x
  2. Step 2: Convert to fraction form
    148,938.40/223,407.60 = 89,743.60/x
  3. Step 3: Cross multiply
    148,938.40x = 223,407.60 × 89,743.60
  4. Step 4: Simplify right side
    148,938.40x = 20,049,402,291.36
  5. Step 5: Solve for x
    x = 20,049,402,291.36/148,938.40
  6. Step 6: Final answer
    x = 134,615.40

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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.