Home / 148,935.40-223,403.10-89,886.40

Finding the Fourth Proportional to 148,935.40, 223,403.10 and 89,886.40

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Solution

The fourth proportional to 148,935.40, 223,403.10 and 89,886.40 is: 134,829.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,935.40 : 223,403.10 = 89,886.40 : x
  2. Step 2: Convert to fraction form
    148,935.40/223,403.10 = 89,886.40/x
  3. Step 3: Cross multiply
    148,935.40x = 223,403.10 × 89,886.40
  4. Step 4: Simplify right side
    148,935.40x = 20,080,900,407.84
  5. Step 5: Solve for x
    x = 20,080,900,407.84/148,935.40
  6. Step 6: Final answer
    x = 134,829.60

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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.