Home / 148,557.08-205,055.08-100,228.84

Finding the Fourth Proportional to 148,557.08, 205,055.08 and 100,228.84

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Solution

The fourth proportional to 148,557.08, 205,055.08 and 100,228.84 is: 138,347.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,557.08 : 205,055.08 = 100,228.84 : x
  2. Step 2: Convert to fraction form
    148,557.08/205,055.08 = 100,228.84/x
  3. Step 3: Cross multiply
    148,557.08x = 205,055.08 × 100,228.84
  4. Step 4: Simplify right side
    148,557.08x = 20,552,432,041.30
  5. Step 5: Solve for x
    x = 20,552,432,041.30/148,557.08
  6. Step 6: Final answer
    x = 138,347.04

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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.