Home / 93,335.20-139,966.40-40,708.80

Finding the Fourth Proportional to 93,335.20, 139,966.40 and 40,708.80

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Solution

The fourth proportional to 93,335.20, 139,966.40 and 40,708.80 is: 61,047.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,335.20 : 139,966.40 = 40,708.80 : x
  2. Step 2: Convert to fraction form
    93,335.20/139,966.40 = 40,708.80/x
  3. Step 3: Cross multiply
    93,335.20x = 139,966.40 × 40,708.80
  4. Step 4: Simplify right side
    93,335.20x = 5,697,864,184.32
  5. Step 5: Solve for x
    x = 5,697,864,184.32/93,335.20
  6. Step 6: Final answer
    x = 61,047.32

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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.