Home / 148,035.12-221,967.72-57,972.40

Finding the Fourth Proportional to 148,035.12, 221,967.72 and 57,972.40

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Solution

The fourth proportional to 148,035.12, 221,967.72 and 57,972.40 is: 86,925.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,035.12 : 221,967.72 = 57,972.40 : x
  2. Step 2: Convert to fraction form
    148,035.12/221,967.72 = 57,972.40/x
  3. Step 3: Cross multiply
    148,035.12x = 221,967.72 × 57,972.40
  4. Step 4: Simplify right side
    148,035.12x = 12,868,001,450.93
  5. Step 5: Solve for x
    x = 12,868,001,450.93/148,035.12
  6. Step 6: Final answer
    x = 86,925.33

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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.