Home / 147,600.90-221,401.35-47,768.40

Finding the Fourth Proportional to 147,600.90, 221,401.35 and 47,768.40

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Solution

The fourth proportional to 147,600.90, 221,401.35 and 47,768.40 is: 71,652.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,600.90 : 221,401.35 = 47,768.40 : x
  2. Step 2: Convert to fraction form
    147,600.90/221,401.35 = 47,768.40/x
  3. Step 3: Cross multiply
    147,600.90x = 221,401.35 × 47,768.40
  4. Step 4: Simplify right side
    147,600.90x = 10,575,988,247.34
  5. Step 5: Solve for x
    x = 10,575,988,247.34/147,600.90
  6. Step 6: Final answer
    x = 71,652.60

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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.