Home / 93,037.20-139,555.80-55,712.40

Finding the Fourth Proportional to 93,037.20, 139,555.80 and 55,712.40

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Solution

The fourth proportional to 93,037.20, 139,555.80 and 55,712.40 is: 83,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,037.20 : 139,555.80 = 55,712.40 : x
  2. Step 2: Convert to fraction form
    93,037.20/139,555.80 = 55,712.40/x
  3. Step 3: Cross multiply
    93,037.20x = 139,555.80 × 55,712.40
  4. Step 4: Simplify right side
    93,037.20x = 7,774,988,551.92
  5. Step 5: Solve for x
    x = 7,774,988,551.92/93,037.20
  6. Step 6: Final answer
    x = 83,568.60

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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.