Home / 148,812.40-223,218.60-89,714.80

Finding the Fourth Proportional to 148,812.40, 223,218.60 and 89,714.80

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Solution

The fourth proportional to 148,812.40, 223,218.60 and 89,714.80 is: 134,572.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,812.40 : 223,218.60 = 89,714.80 : x
  2. Step 2: Convert to fraction form
    148,812.40/223,218.60 = 89,714.80/x
  3. Step 3: Cross multiply
    148,812.40x = 223,218.60 × 89,714.80
  4. Step 4: Simplify right side
    148,812.40x = 20,026,012,055.28
  5. Step 5: Solve for x
    x = 20,026,012,055.28/148,812.40
  6. Step 6: Final answer
    x = 134,572.20

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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.