Home / 148,630.55-205,280.52-97,870.21

Finding the Fourth Proportional to 148,630.55, 205,280.52 and 97,870.21

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Solution

The fourth proportional to 148,630.55, 205,280.52 and 97,870.21 is: 135,173.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,630.55 : 205,280.52 = 97,870.21 : x
  2. Step 2: Convert to fraction form
    148,630.55/205,280.52 = 97,870.21/x
  3. Step 3: Cross multiply
    148,630.55x = 205,280.52 × 97,870.21
  4. Step 4: Simplify right side
    148,630.55x = 20,090,847,601.31
  5. Step 5: Solve for x
    x = 20,090,847,601.31/148,630.55
  6. Step 6: Final answer
    x = 135,173.07

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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.