Home / 93,291.12-139,390.70-90,024.56

Finding the Fourth Proportional to 93,291.12, 139,390.70 and 90,024.56

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Solution

The fourth proportional to 93,291.12, 139,390.70 and 90,024.56 is: 134,509.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,291.12 : 139,390.70 = 90,024.56 : x
  2. Step 2: Convert to fraction form
    93,291.12/139,390.70 = 90,024.56/x
  3. Step 3: Cross multiply
    93,291.12x = 139,390.70 × 90,024.56
  4. Step 4: Simplify right side
    93,291.12x = 12,548,586,435.59
  5. Step 5: Solve for x
    x = 12,548,586,435.59/93,291.12
  6. Step 6: Final answer
    x = 134,509.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.