Home / 148,688.92-205,185.18-85,025.08

Finding the Fourth Proportional to 148,688.92, 205,185.18 and 85,025.08

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Solution

The fourth proportional to 148,688.92, 205,185.18 and 85,025.08 is: 117,331.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,688.92 : 205,185.18 = 85,025.08 : x
  2. Step 2: Convert to fraction form
    148,688.92/205,185.18 = 85,025.08/x
  3. Step 3: Cross multiply
    148,688.92x = 205,185.18 × 85,025.08
  4. Step 4: Simplify right side
    148,688.92x = 17,445,886,344.31
  5. Step 5: Solve for x
    x = 17,445,886,344.31/148,688.92
  6. Step 6: Final answer
    x = 117,331.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.