Home / 148,906.90-223,360.35-139,065.40

Finding the Fourth Proportional to 148,906.90, 223,360.35 and 139,065.40

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Solution

The fourth proportional to 148,906.90, 223,360.35 and 139,065.40 is: 208,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,906.90 : 223,360.35 = 139,065.40 : x
  2. Step 2: Convert to fraction form
    148,906.90/223,360.35 = 139,065.40/x
  3. Step 3: Cross multiply
    148,906.90x = 223,360.35 × 139,065.40
  4. Step 4: Simplify right side
    148,906.90x = 31,061,696,416.89
  5. Step 5: Solve for x
    x = 31,061,696,416.89/148,906.90
  6. Step 6: Final answer
    x = 208,598.10

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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.