Home / 147,875.60-221,813.40-42,705.20

Finding the Fourth Proportional to 147,875.60, 221,813.40 and 42,705.20

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Solution

The fourth proportional to 147,875.60, 221,813.40 and 42,705.20 is: 64,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,875.60 : 221,813.40 = 42,705.20 : x
  2. Step 2: Convert to fraction form
    147,875.60/221,813.40 = 42,705.20/x
  3. Step 3: Cross multiply
    147,875.60x = 221,813.40 × 42,705.20
  4. Step 4: Simplify right side
    147,875.60x = 9,472,585,609.68
  5. Step 5: Solve for x
    x = 9,472,585,609.68/147,875.60
  6. Step 6: Final answer
    x = 64,057.80

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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.