Home / 132,023.10-197,888.85-72,901.20

Finding the Fourth Proportional to 132,023.10, 197,888.85 and 72,901.20

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Solution

The fourth proportional to 132,023.10, 197,888.85 and 72,901.20 is: 109,271.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,023.10 : 197,888.85 = 72,901.20 : x
  2. Step 2: Convert to fraction form
    132,023.10/197,888.85 = 72,901.20/x
  3. Step 3: Cross multiply
    132,023.10x = 197,888.85 × 72,901.20
  4. Step 4: Simplify right side
    132,023.10x = 14,426,334,631.62
  5. Step 5: Solve for x
    x = 14,426,334,631.62/132,023.10
  6. Step 6: Final answer
    x = 109,271.29

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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.