Home / 147,904.60-221,856.90-42,734.20

Finding the Fourth Proportional to 147,904.60, 221,856.90 and 42,734.20

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Solution

The fourth proportional to 147,904.60, 221,856.90 and 42,734.20 is: 64,101.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,904.60 : 221,856.90 = 42,734.20 : x
  2. Step 2: Convert to fraction form
    147,904.60/221,856.90 = 42,734.20/x
  3. Step 3: Cross multiply
    147,904.60x = 221,856.90 × 42,734.20
  4. Step 4: Simplify right side
    147,904.60x = 9,480,877,135.98
  5. Step 5: Solve for x
    x = 9,480,877,135.98/147,904.60
  6. Step 6: Final answer
    x = 64,101.30

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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.