Home / 148,038.10-221,729.10-121,794.10

Finding the Fourth Proportional to 148,038.10, 221,729.10 and 121,794.10

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Solution

The fourth proportional to 148,038.10, 221,729.10 and 121,794.10 is: 182,421.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,038.10 : 221,729.10 = 121,794.10 : x
  2. Step 2: Convert to fraction form
    148,038.10/221,729.10 = 121,794.10/x
  3. Step 3: Cross multiply
    148,038.10x = 221,729.10 × 121,794.10
  4. Step 4: Simplify right side
    148,038.10x = 27,005,296,178.31
  5. Step 5: Solve for x
    x = 27,005,296,178.31/148,038.10
  6. Step 6: Final answer
    x = 182,421.26

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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.