Home / 93,025.40-139,538.10-89,817.80

Finding the Fourth Proportional to 93,025.40, 139,538.10 and 89,817.80

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Solution

The fourth proportional to 93,025.40, 139,538.10 and 89,817.80 is: 134,726.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,025.40 : 139,538.10 = 89,817.80 : x
  2. Step 2: Convert to fraction form
    93,025.40/139,538.10 = 89,817.80/x
  3. Step 3: Cross multiply
    93,025.40x = 139,538.10 × 89,817.80
  4. Step 4: Simplify right side
    93,025.40x = 12,533,005,158.18
  5. Step 5: Solve for x
    x = 12,533,005,158.18/93,025.40
  6. Step 6: Final answer
    x = 134,726.70

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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.